Document:

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                                                                   EXHIBIT 10.13

                            BUSINESS LOAN AGREEMENT

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Borrower:   ARTEST CORPORATION                  Lender:  California Bank & Trust
            678 Almanor Ave.                             North First Office
            Sunnyvale, CA  94086                         515 North First Street
                                                         San Jose, CA  95112
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THIS BUSINESS LOAN AGREEMENT between ARTEST CORPORATION ("Borrower") and
California Bank & Trust ("Lender") is made and executed on the following terms
and conditions.  Borrower has received prior commercial loans from Lender or has
applied to Lender for a commercial loan or loans and other financial
accommodations, including those which may be described on any exhibit or
schedule attached to this Agreement.  All such loans and financial
accommodations, together with all future loans and financial accommodations from
Lender to Borrower, are referred to in this Agreement individually as the "Loan"
and collectively as the "Loans."  Borrower understands and agrees that: (a) in
granting, renewing, or extending any Loan, Lender is relying upon Borrower's
representations, warranties, and agreements, as set forth in this Agreement; (b)
the granting, renewing, or extending of any Loan by Lender at all times shall be
subject to Lender's sole judgment and discretion; and (c) all such Loans shall
be and shall remain subject to the following terms and conditions of this
Agreement.

TERM.  This Agreement shall be effective as of August 30, 1999, and shall
continue thereafter until all Indebtedness of Borrower to Lender has been
performed in full or until August 30, 2002, whichever is later.

DEFINITIONS.  The following words shall have the following meanings when used in
this Agreement.  Terms not otherwise defined in this Agreement shall have the
meanings attributed to such terms in the Uniform Commercial Code.  All
references to dollar amounts shall mean amounts in lawful money of the United
States of America.

  Agreement.  The word "Agreement" means this Business Loan Agreement, as this
  Business Loan Agreement may be amended or modified from time to time, together
  with all exhibits and schedules attached to this Business Loan Agreement from
  time to time.

  Borrower.  The word "Borrower" means ARTEST CORPORATION.  The word "Borrower"
  also includes, as applicable, all subsidiaries and affiliates of Borrower as
  provided below in the paragraph titled "Subsidiaries and Affiliates."

  CERCLA.  The word "CERCLA" means the Comprehensive Environmental Response,
  Compensation, and Liability Act of 1980, as amended.

  Cash Flow.  The words "Cash Flow" mean net income after taxes, and exclusive
  of extraordinary gains and income, plus depreciation and amortization.

  Collateral.  The word "Collateral" means and includes without limitation all
  property and assets granted as collateral security for a Loan, whether real or
  personal property, whether granted directly or indirectly, whether granted now
  or in the future, and whether granted in the form of a security interest,
  mortgage, deed of trust, assignment, pledge, chattel mortgage, chattel trust,
  factor's lien, equipment trust, conditional sale, trust receipt, lien, charge,
  lien or title retention contract, lease or consignment intended as a security
  device, or any other security or lien interest whatsoever, whether created by
  law, contract, or otherwise.

  Debt.  The word "Debt" means all of Borrower's liabilities excluding
  Subordinated Debt.

  ERISA.  The word "ERISA" means the Employee Retirement Income Security Act of
  1974, as amended.

  Event of Default.  The words "Event of Default" mean and include without
  limitation any of the Events of Default set forth below in the section titled
  "EVENTS OF DEFAULT."

  Grantor.  The word "Grantor" means and includes without limitation each and
  all of the persons or entities granting a Security Interest in any Collateral
  for the Indebtedness, including without limitation all Borrowers granting such
  a Security Interest.

  Guarantor.  The word "Guarantor" means and includes without limitation each
  and all of the guarantors, sureties, and accommodation parties in connection
  with any Indebtedness.

  Indebtedness.  The word "Indebtedness" means and includes without limitation
  all Loans, together with all other obligations, debts and liabilities of
  Borrower to Lender, or any one or more of them, as well as all claims by
  Lender against Borrower, or any one or more of them; whether now or hereafter
  existing, voluntary or involuntary, due or not due, absolute or contingent,
  liquidated or unliquidated; whether Borrower may be liable individually or
  jointly with others; whether Borrower may be obligated as a guarantor, surety,
  or otherwise; whether recovery upon such Indebtedness may be or hereafter may
  become barred by any statute of limitations; and whether such Indebtedness may
  be or hereafter may become otherwise unenforceable.

  Lender.  The word "Lender" means California Bank & Trust, its successors and
  assigns.

  Liquid Assets.  The words "Liquid Assets" mean Borrowers' cash on hand plus
  Borrower's readily marketable securities.

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  Loan.  The word "Loan" or "Loans" means and includes without limitation any
  and all commercial loans and financial accommodations from Lender to Borrower,
  whether now or hereafter existing, and however evidenced, including without
  limitation those loans and financial accommodations described herein or
  described on any exhibit or schedule attached to this Agreement from time to
  time.

  Note.  The word "Note" means and includes without limitation Borrower's
  promissory note or notes, it any, evidencing Borrower's Loan obligations in
  favor of Lender, as well as any substitute, replacement or refinancing note or
  notes therefor.

  Permitted Liens.  The words "Permitted Liens" mean: (a) liens and security
  interests securing Indebtedness owed by Borrower to Lender; (b) liens for
  taxes, assessments, or similar charges either not yet due or being contested
  in good faith; (c) liens of materialmen, mechanics, warehousemen, or carriers,
  or other like liens arising in the ordinary course of business and securing
  obligations which are not yet delinquent; (d) purchase money liens or purchase
  money security interests upon or in any property acquired or held by Borrower
  in the ordinary course of business to secure indebtedness outstanding on the
  date of this Agreement or permitted to be incurred under the paragraph of this
  Agreement titled "Indebtedness and Liens"; (e) liens and security interests
  which, as of the date of this Agreement, have been disclosed to and approved
  by the Lender in writing; and (f) those liens and security interests which in
  the aggregate constitute an immaterial and insignificant monetary amount with
  respect to the net value of Borrower's assets.

  Related Documents.  The words "Related Documents" mean and include without
  limitation all promissory notes, credit agreements, loan agreements,
  environmental agreements, guaranties, security agreements, mortgages, deeds of
  trust, and all other instruments, agreements and documents, whether now or
  hereafter existing, executed in connection with the Indebtedness.

  Security Agreement.  The words "Security Agreement" mean and include without
  limitation any agreements, promises, covenants, arrangements, understandings
  or other agreements, whether created by law, contract, or otherwise,
  evidencing, governing, representing, or creating a Security interest.

  Security Interest.  The words "Security Interest" mean and include without
  limitation any type of collateral security, whether in the form of a lien,
  charge, mortgage, deed of trust, assignment, pledge, chattel mortgage, chattel
  trust, factor's lien, equipment trust, conditional sale, trust receipt, lien
  or title retention contract, lease or consignment intended as a security
  device, or any other security or lien interest whatsoever, whether created by
  law, contract, or otherwise.

  SARA.  The word "SARA" means the Superfund Amendments and Reauthorization Act
  of 1986 as now or hereafter amended.

  Subordinated Debt.  The words "Subordinated Debt" mean indebtedness and
  liabilities of Borrower which have been subordinated by written agreement to
  indebtedness owed by Borrower to Lender in form and substance acceptable to
  Lender.

  Tangible Net Worth.  The words "Tangible Net Worth" mean Borrower's total
  assets excluding all intangible assets (i.e., goodwill, trademarks, patents,
  copyrights, organizational expenses, and similar intangible items, but
  including leaseholds and leasehold improvements) less total Debt.

  Working Capital.  The words "Working Capital" mean Borrower's current assets,
  excluding prepaid expenses, less Borrower's current liabilities.

CONDITIONS PRECEDENT TO EACH ADVANCE.  Lender's obligation to make the initial
Loan Advance and each subsequent Loan Advance under this Agreement shall be
subject to the fulfillment to Lender's satisfaction of all of the conditions set
forth in this Agreement and in the Related Documents.

  Loan Documents.  Borrower shall provide to Lender in form satisfactory to
  Lender the following documents for the Loan: (a) the Note, (b) Security
  Agreements granting to Lender security interests in the Collateral, (c)
  Financing Statements perfecting Lender's Security Interests; (d) evidence of
  insurance as required below; and (e) any other documents required under this
  Agreement or by Lender or its counsel.

  Borrower's Authorization.  Borrower shall have provided in form and substance
  satisfactory to Lender properly certified resolutions, duly authorizing the
  execution and delivery of this Agreement, the Note and the Related Documents,
  and such other authorizations and other documents and instruments as Lender or
  its counsel, in their sole discretion, may require.

  Payment of Fees and Expenses.  Borrower shall have paid to Lender all fees,
  charges, and other expenses which are then due and payable as specified in
  this Agreement or any Related Document.

  Representations and Warranties.  The representations and warranties set forth
  in this Agreement, in the Related Documents, and in any document or
  certificate delivered to Lender under this Agreement are true and correct.

  No Event of Default.  There shall not exist at the time of any advance a
  condition which would constitute an Event of Default under this Agreement.

REPRESENTATIONS AND WARRANTIES.  Borrower represents and warrants to Lender, as
of the date of this Agreement, as of the date of each disbursement of Loan
proceeds, as of the date of any renewal, extension or modification of any Loan,
and at all times any Indebtedness exists:

  Organization.  Borrower is a corporation which is duly organized, validly
  existing, and in good standing under the laws of the State of California and
  is validly existing and in good standing in all states in which Borrower is
  doing business.  Borrower has the full power and authority to own its
  properties and to transact the businesses in which it is presently engaged or
  presently proposes to engage.  Borrower also is duly qualified as a foreign
  corporation and is in good standing in all states in which the failure to so
  quality would have a material adverse effect on its businesses or financial
  condition.

  Authorization.  The execution, delivery, and performance of this Agreement and
  all Related Documents by Borrower, to the extent to be executed, delivered or
  performed by Borrower, have been duly authorized by all necessary action by
  Borrower; do not require the consent or approval of any

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  other person, regulatory authority or governmental body; and do not conflict
  with, result in a violation of, or constitute a default under (a) any
  provision of its articles of incorporation or organization, or bylaws, or any
  agreement or other instrument binding upon Borrower or (b) any law,
  governmental regulation, court decree, or order applicable to Borrower.

  Financial Information.  Each financial statement of Borrower supplied to
  Lender truly and completely disclosed Borrower's financial condition as of the
  date of the statement, and there has been no material adverse change in
  Borrower's financial condition subsequent to the date of the most recent
  financial statement supplied to Lender.  Borrower has no material contingent
  obligations except as disclosed in such financial statements.

  Legal Effect.  This Agreement constitutes, and any instrument or agreement
  required hereunder to be given by Borrower when delivered will constitute,
  legal, valid and binding obligations of Borrower enforceable against Borrower
  in accordance with their respective terms.

  Properties.  Except as contemplated by this Agreement or as previously
  disclosed in Borrower's financial statements or in writing to Lender and as
  accepted by Lender, and except for property tax liens for taxes not presently
  due and payable,  Borrower owns and has good title to all of Borrowers
  properties free and clear of all Security Interests, and has not executed any
  security documents or financing statements relating to such properties.  All
  of Borrowers properties are titled in Borrower's legal name, and Borrower has
  not used, or filed a financing statement under, any other name for at least
  the last five (5) years.

  Hazardous Substances.  The terms "hazardous waste," "hazardous substance,"
  "disposal," "release," and 'threatened release," as used in this Agreement,
  shall have the same meanings as set forth in the "CERCLA," "SARA," the
  Hazardous Materials Transportation Act, 49 U.S.C. Section 1801, et seq., the
  Resource Conservation and Recovery Act, 42 U.S.C. Section 6901, et seq.,
  Chapters 6.5 through 7.7 of Division 20 of the California Health and Safety
  Code, Section 25100, et seq., or other applicable state or Federal laws,
  rules, or regulations adopted pursuant to any of the foregoing.  Except as
  disclosed to and acknowledged by Lender in writing, Borrower represents and
  warrants that: (a) During the period of Borrower's ownership of the
  properties, there has been no use, generation, manufacture, storage,
  treatment, disposal, release or threatened release of any hazardous waste or
  substance by any person on, under, about or from any of the properties. (b)
  Borrower has no knowledge of, or' reason to believe that there has been (i)
  any use, generation, manufacture, storage, treatment, disposal, release, or
  threatened release of any hazardous waste or substance on, under, about or
  from the properties by any prior owners or occupants of any of the properties,
  or (ii) any actual or threatened litigation or claims of any kind by any
  person relating to such matters. (c) Neither Borrower nor any tenant,
  contractor, agent or other authorized user of any of the properties shall use,
  generate, manufacture, store, treat, dispose of, or release any hazardous
  waste or, substance on, under, about or from any of the properties; and any
  such activity shall be conducted in compliance with all applicable federal,
  state, and local laws, regulations, and ordinances, including without
  limitation those laws, regulations and ordinances described above.  Borrower
  authorizes Lender and its agents to enter upon the properties to make such
  inspections and tests as Lender may deem appropriate to determine compliance
  of the properties with this section of the Agreement.  Any inspections or
  tests made by Lender shall be at Borrower's expense and for Lender's purposes
  only and shall not be construed to create any responsibility or liability on
  the part of Lender to Borrower or to any other person.  The representations
  and warranties contained herein are based on Borrower's due diligence in
  investigating the properties for hazardous waste and hazardous substances.
  Borrower hereby (a) releases and waives any future claims against Lender for
  indemnity or contribution in the event Borrower becomes liable for cleanup or
  other costs under any such laws, and (b) agrees to indemnify and hold harmless
  Lender against any and all claims, losses, liabilities, damages, penalties,
  and expenses which Lender may directly or indirectly sustain or suffer
  resulting from a breach of this section of the Agreement or as a consequence
  of any use, generation, manufacture, storage, disposal, release or threatened
  release of a hazardous waste or substances on the properties.  The provisions
  of this section of the Agreement, including the obligation to indemnify, shall
  survive the payment of the Indebtedness and the termination or expiration of
  this Agreement and shall not be affected by Lender's acquisition of any
  interest in any of the properties, whether by foreclosure or otherwise.

  Litigation and Claims.  No litigation, claim, investigation, administrative
  proceeding or similar action (including those for unpaid taxes) against
  Borrower is pending or threatened, and no other event has occurred which may
  materially adversely affect Borrower's financial condition or properties,
  other than litigation, claims, or other events, if any, that have been
  disclosed to and acknowledged by Lender in writing.

  Taxes.  To the best of Borrower's knowledge, all tax returns and reports of
  Borrower that are or were required to be filed, have been filed, and all
  taxes, assessments and other governmental charges have been paid in full,
  except those previously being or to be contested by Borrower in good faith in
  the ordinary course of business and for which adequate reserves have been
  provided.

  Lien Priority.  Unless otherwise previously disclosed to Lender in writing,
  Borrower has not entered into or granted any Security Agreements, or permitted
  the filing or attachment of any Security Interests on or affecting any of the
  Collateral directly or indirectly securing repayment of Borrower's Loan and
  Note, that would be prior or that may in any way be superior to Lender's
  Security Interests and rights in and to such Collateral.

  Binding Effect.  This Agreement, the Note, all Security Agreements directly or
  indirectly securing repayment of Borrower's Loan and Note and all of the
  Related Documents are binding upon Borrower as well as upon Borrower's
  successors, representatives and assigns, and are legally enforceable in
  accordance with their respective terms.

  Commercial Purposes.  Borrower intends to use the Loan proceeds solely for
  business or commercial related purposes.

  Employee Benefit Plans.  Each employee benefit plan as to which Borrower may
  have any liability complies in all material respects with all applicable
  requirements of law and regulations, and (i) no Reportable Event nor
  Prohibited Transaction (as defined in ERISA) has occurred with respect to any
  such plan, (ii) Borrower has not withdrawn from any such plan or initiated
  steps to do so, (iii) no steps have been taken to terminate any such plan, and
  (iv) there are no unfunded liabilities other than those previously disclosed
  to Lender in writing.

  Location of Borrower's Offices and Records.  Borrower's place of business, or
  Borrower's Chief executive office, if Borrower has more than one place of
  business, is located at 678 Almanor Ave., Sunnyvale, CA 94086.  Unless
  Borrower has designated otherwise in writing this location is also the office
  or offices where Borrower keeps its records concerning the Collateral.

  Information.  All information heretofore or contemporaneously herewith
  furnished by Borrower to Lender for the purposes of or in connection with this
  Agreement or any transaction contemplated hereby is, and all information
  hereafter furnished by or on behalf of Borrower to Lender will be, true

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  and accurate in every material respect on the date as of which such
  information is dated or certified; and none of such information is or will be
  incomplete by omitting to state any material fact necessary to make such
  information not misleading.

  Survival of Representations and Warranties.  Borrower understands and agrees
  that Lender, without independent investigation, is relying upon the above
  representations and warranties in extending Loan Advances to Borrower.
  Borrower further agrees that the foregoing representations and warranties
  shall be continuing in nature and shall remain in full force and effect until
  such time as Borrower's Indebtedness shall be paid in full, or until this
  Agreement shall be terminated in the manner provided above, whichever is the
  last to occur.

AFFIRMATIVE COVENANTS.  Borrower covenants and agrees with Lender that, while
this Agreement is in effect, Borrower will:

  Litigation.  Promptly inform Lender in writing of (a) all material adverse
  changes in Borrower's financial condition, and (b) all existing and all
  threatened litigation, claims, investigations, administrative proceedings or
  similar actions affecting Borrower or any Guarantor which could materially
  affect the financial condition of Borrower or the financial condition of any
  Guarantor.

  Financial Records.  Maintain its books and records in accordance with
  generally accepted accounting principles, applied on a consistent basis, and
  permit Lender to examine and audit Borrower's books and records at all
  reasonable times.

  Financial Statements.  Furnish Lender with, as soon as available, but in no
  event later than ninety (90) days after the end of each fiscal year,
  Borrower's balance sheet and income statement for the year ended, reviewed by
  a certified public accountant satisfactory to Lender, and, as soon as
  available, but in no event later than forty-five (45) days after the end of
  each fiscal quarter, Borrower's balance sheet and profit and loss statement
  for the period ended, prepared and certified as correct to the best knowledge
  and belief by Borrower' chief financial officer or other officer or person
  acceptable to Lender.  All financial reports required to be provided under
  this Agreement shall be prepared in accordance with generally accepted
  accounting principles, applied on a consistent basis, and certified by
  Borrower as being true and correct.

  Additional Information.  Furnish such additional information and statements,
  lists of assets and liabilities, agings of receivables and payables, inventory
  schedules, budgets, forecasts, tax returns, and other reports with respect to
  Borrower's financial condition and business operations as Lender may request
  from time to time.

  Financial Covenants and Ratios.  Comply with the following covenants and
  ratios;

     Tangible Net Worth.  Maintain a minimum Tangible Net Worth of not less than
     $15,000,000.00.

     Net Worth Ratio.  Maintain a ratio of Total Liabilities to Tangible net
     Worth of less than 1.00 to 1.00.

     Other Ratio.  Maintain a ratio of Debt Service Coverage Ratio: of 1.50 to
     1.00.

  The following provisions shall apply for purposes of determining compliance
  with the foregoing Financial covenants and ratios:  Monitored Quarterly.
  Except as provided above, all computations made to determine compliance with
  the requirements contained in this paragraph shall be made in accordance with
  generally accepted accounting principles, applied on a consistent basis, and
  certified by Borrower as being true and correct.

  Insurance.  Maintain fire and other risk insurance, public liability
  insurance, and such other insurance as Lender may require with respect to
  Borrower's properties and operations, in form, amounts, coverages and with
  insurance companies reasonably acceptable to Lender.  Borrower, upon request
  of Lender, will deliver to Lender from time to time the policies or
  certificates of insurance in form satisfactory to Lender, including
  stipulations that coverages will not be cancelled or diminished without at
  least ten (10) days' prior written notice to Lender.  Each insurance policy
  also shall include an endorsement providing that coverage in favor of Lender
  will not be impaired in any way by any act, omission or default of Borrower or
  any other person.  In connection with all policies covering assets in which
  Lender holds or is offered a security interest for the Loans, Borrower will
  provide Lender with such loss payable or other endorsements as Lender may
  require.

  Insurance Reports.  Furnish to Lender, upon request of Lender, reports on each
  existing insurance policy showing such information as Lender may reasonably
  request, including without limitation the following: (a) the name of the
  insurer; (b) the risks insured; (c) the amount of the policy; (d) the
  properties insured; (e) the then current property values on the basis of which
  insurance has been obtained, and the manner of determining those values; and
  (f) the expiration date of the policy.  In addition, upon request of Lender
  (however not more often than annually), Borrower will have an independent
  appraiser satisfactory to Lender determine, as applicable, the actual cash
  value or replacement cost of any Collateral.  The cost of such appraisal shall
  be paid by Borrower.

  Other Agreements.  Comply with all terms and conditions of all other
  agreements, whether now or hereafter existing, between Borrower and any other
  party and notify Lender immediately in writing of any default in connection
  with any other such agreements.

  Loan Fees and Charges.  In addition to all other agreed upon fees and charges,
  pay the following:  $1,000.00.

  Loan Proceeds.  Use all Loan proceeds solely for the following specific
  purposes: Equipment Purchase.

  Taxes, Charges and Liens.  Pay and discharge when due all of its indebtedness
  and obligations, including without limitation all assessments, taxes,
  governmental charges, levies and liens, of every kind and nature, imposed upon
  Borrower or its properties, income, or profits, prior to the date on which
  penalties would attach, and all lawful claims that, if unpaid, might become a
  lien or charge upon any of Borrower's properties, income, or profits.
  Provided however, Borrower will not be required to pay and discharge any such
  assessment, tax, charge, levy, lien or claim so long as (a) the legality of
  the same shall be contested in good faith by appropriate proceedings, and (b)
  Borrower shall have established on its books adequate reserves with respect to
  such contested assessment, tax, charge, levy, lien, or claim in accordance
  with generally accepted accounting practices.  Borrower, upon demand of
  Lender, will furnish to Lender evidence of payment of the assessments, taxes,
  charges, levies,

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  liens and claims and will authorize the appropriate governmental official to
  deliver to Lender at any time a written statement of any assessments, taxes,
  charges, levies, liens and claims against Borrower's properties, income, or
  profits.

  Performance.  Perform and comply with all terms, conditions, and provisions
  set forth in this Agreement and in the Related Documents in a timely manner,
  and promptly notify Lender if Borrower learns of the occurrence of any event
  which constitutes an Event of Default under this Agreement or under any of the
  Related Documents.

  Operations.  Maintain executive and management personnel with substantially
  the same qualifications and experience as the present executive and management
  personnel; provide written notice to Lender of any change in executive and
  management personnel; conduct its business affairs in a reasonable and prudent
  manner and in compliance with all applicable federal, state and municipal
  laws, ordinances, rules and regulations respecting its properties, charters,
  businesses and operations, including without limitation, compliance with the
  Americans With Disabilities Act and with all minimum funding standards and
  other requirements of ERISA and other laws applicable to Borrower's employee
  benefit plans.

  Inspection.  Permit employees or agents of Lender at any reasonable time to
  inspect any and all Collateral for the Loan or Loans and Borrower's other
  properties and to examine or audit Borrower's books, accounts, and records and
  to make copies and memoranda of Borrower's books, accounts, and records.  If
  Borrower now or at any time hereafter maintains any records (including without
  limitation computer generated records and computer software programs for the
  generation of such records) in the possession of a third party, Borrower, upon
  request of Lender, shall notify such party to permit Lender free access to
  such records at all reasonable times and to provide Lender with copies of any
  records it may request, all at Borrower's expense.

  Compliance Certificate.  Unless waived in writing by Lender, provide Lender at
  least annually and at the time of each disbursement of Loan proceeds with a
  certificate executed by Borrower's chief financial officer, or other officer
  or person acceptable to lender, certifying that the representations and
  warranties set forth in this Agreement are true and correct as of the date of
  the certificate and further certifying that, as of the date of the
  certificate, no Event of Default exists under this Agreement.

  Environmental Compliance and Reports.  Borrower shall comply in all respects
  with all environmental protection federal, state and local laws, statutes,
  regulations and ordinances; not cause or permit to exist, as a result of an
  intentional or unintentional action or omission on its part or on the part of
  any third party, on property owned and/or occupied by Borrower, any
  environmental activity where damage may result to the environment, unless such
  environmental activity is pursuant to and in compliance with the conditions of
  a permit issued by the appropriate federal, state or local governmental
  authorities; shall furnish to Lender promptly and in any event within thirty
  (30) days after receipt thereof a copy of any notice, summons, lien, citation,
  directive, letter or other communication from any governmental agency or
  instrumentality concerning any intentional or unintentional action or omission
  on Borrower's part in connection with any environmental activity whether or
  not there is damage to the environment and/or other natural resources.

  Additional Assurances.  Make, execute and deliver to Lender such promissory
  notes, mortgages, deeds of trust, security agreements, financing statements,
  instruments, documents and other agreements as Lender or its attorneys may
  reasonably request to evidence and secure the Loans and to perfect all
  Security Interests.

RECOVERY OF ADDITIONAL COSTS.  If the imposition of or any change in any law,
rule, regulation or guideline, or the interpretation or application of any
thereof by any court or administrative or governmental authority (including any
request or policy not having the force of law) shall impose, modify or make
applicable any taxes (except U.S. federal, state or local income or franchise
taxes imposed on Lender), reserve requirements, capital adequacy requirements or
other obligations which would (a) increase the cost to Lender for extending or
maintaining the credit facilities to which this Agreement relates, (b) reduce
the amounts payable to Lender under this Agreement or the Related Documents, or
(c) reduce the rate of return on Lender's capital as a consequence of Lender's
obligations with respect to the credit facilities to which this Agreement
relates, then Borrower agrees to pay Lender such additional amounts as will
compensate Lender therefor, within five (5) days after Lender's written demand
for such payment, which demand shall be accompanied by an explanation of such
imposition or charge and a calculation in reasonable detail of the additional
amounts payable by Borrower, which explanation and calculations shall be
conclusive in the absence of manifest error.

NEGATIVE COVENANTS.  Borrower covenants and agrees with Lender that while this
Agreement is in effect, Borrower shall not, without the prior written consent of
Lender:

  Indebtedness and Liens.  (a) Except for trade debt incurred in the normal
  course of business and indebtedness to Lender contemplated by this Agreement,
  create, incur or assume indebtedness for borrowed money, including capital
  leases, (b) except as allowed as a Permitted Lien, sell, transfer, mortgage,
  assign, pledge, lease, grant a security interest in, or encumber any of
  Borrower's assets, or (c) sell with recourse any of Borrower's accounts,
  except to Lender.

  Continuity of Operations.  (a) Engage in any business activities substantially
  different than those in which Borrower is presently engaged, (b) cease
  operations, liquidate, merge, transfer, acquire or consolidate with any other
  entity, change ownership, change its name, dissolve or transfer or sell
  Collateral out of the ordinary course of business, (c) pay any dividends on
  Borrower's stock (other than dividends payable in its stock), provided,
  however that notwithstanding the foregoing, but only so long as no Event of
  Default has occurred and is continuing or would result from the payment of
  dividends, if Borrower is a "Subchapter S Corporation" (as defined in the
  Internal Revenue Code of 1986, as amended), Borrower may pay cash dividends on
  its stock to its shareholders from time to time in amounts necessary to enable
  the shareholders to pay income taxes and make estimated income tax payments to
  satisfy their liabilities under federal and state law which arise solely from
  their status as Shareholders of a Subchapter S Corporation because of their
  ownership of shares of stock of Borrower, or (d) purchase or retire any of
  Borrower's outstanding shares or alter or amend Borrower's capital structure.

  Loans, Acquisitions and Guaranties.  (a) Loan, invest in or advance money or
  assets, (b) purchase, create or acquire any interest in any other enterprise
  or entity, or (c) incur any obligation as surety or guarantor other than in
  the ordinary course of business.

CESSATION OF ADVANCES.  If Lender has made any commitment to make any Loan to
Borrower, whether under this Agreement or under any other agreement, Lender
shall have no obligation to make Loan Advances or to disburse Loan proceeds if:
(a) Borrower or any Guarantor is in default under

                                       5
<PAGE>

the terms of this Agreement or any of the Related Documents or any other
agreement that Borrower or any Guarantor has with Lender; (b) Borrower or any
Guarantor becomes insolvent, files a petition in bankruptcy or similar
proceedings, or is adjudged a bankrupt; (c) there occurs a material adverse
change in Borrower's financial condition, in the financial condition of any
Guarantor, or in the value of any Collateral securing any Loan; (d) any
Guarantor seeks, claims or otherwise attempts to limit, modify or revoke such
Guarantor's guaranty of the Loan or any other loan with Lender.

PRIMARY BANKING RELATIONSHIP.  Borrower will maintain it's primary banking
accounts with Lender in order to facilitate the operations of the Company and
it's credit arrangements with Lender.

BORROWER FEDERAL INCOME TAX RETURN.  Borrower covenants and agrees with Lender
that, while this Agreement is in effect, Borrower will furnish Lender with a
signed copy of Borrower's filed federal income tax return, as soon as available,
but in no event later than thirty (30) days from date of filing on an annual
basis.

YEAR 2000 PROVISION.  "Year 2000 compliant" means, with regard to any entity,
that all material software utilized by such entity is able to fully function
without causing any error to such entity's date-sensitive date.  "Providers"
means the key suppliers, vendors, and customers of Borrower whose business
failure would, with reasonable probability, result in a material adverse change
in the financial condition or prospects of Borrower.

Borrower has or will soon have (i) undertaken a detailed assessment of all areas
within its business and operations that could be adversely affected by the
failure of Borrower to be Year 2000 compliant, (ii) developed and implemented a
detailed plan for becoming Year 2000 compliant on a timely basis, and (iii) made
written inquiry of each of its Providers as to whether the Providers will be
Year 2000 compliant in all material respects.  Borrower reasonably anticipated
that it and the Providers will be Year 2000 compliant on a timely basis.
Borrower will promptly advise Lender in writing upon the occurrence of any of
the following:  (i) Borrower determines or Borrower is advised by its
accountants, financial advisers, consultants, or auditors or any Provider that
it or any Provider will not be Year 2000 compliant on a timely basis or (ii)
Borrower or any provider experiences data or data processing problems due to
failure to be Year 2000 compliant.  ___/s/_______ Borrower's initials.

LOAN DISBURSEMENT AND REPAYMENT PROCEDURE

1.  Each Advance will be made upon receipt by Lender of an executed Promissory
    Note, Security Agreement, Disbursement Request and Authorization, and an
    Agreement to Provider Insurance, in a manner satisfactory to Lender.

2.  Each request for an Advance will be accompanied by a copy of an invoice
    and/or purchase order/agreement signed by Borrower.

3.  Each Advance will be for the maximum amount of 90% of the cash price,
    excluding sales tax, shipping and installation.

4.  Each Advance under this Agreement will have a maximum maturity of five (5)
    years.

5.  Each Advance under this Agreement will be fully amortized with monthly
    installments of fixed principal plus accrued interest at a rate of
    California Bank & Trust prime in effect at the time of disbursement.

6.  No Advance will be made after August 30, 2000; outstanding balances are not
    to exceed $2,000,000.00 at any one time; under no circumstances shall Lender
    be required to make an Advance in an amount less than $10,000.00.

7.  Each Advance will be made in the form of a Cashiers Check payable to the
    vendor named on the invoice and/or purchase order/agreement, or other
    document(s) specifically identifying the equipment to be purchased or
    financed, including the serial number for each piece of equipment.

RIGHT OF SETOFF.  Borrower grants to Lender a contractual security interest in,
and hereby assigns, conveys, delivers, pledges, and transfers to Lender all
Borrower's right, title and interest in and to, Borrower's accounts with Lender
(whether checking, savings, or some other account), including without limitation
all accounts held jointly with someone else and all accounts Borrower may open
in the future, excluding however all IRA and Keogh accounts, and all trust
accounts for which the grant of a security interest would be prohibited by law.
Borrower authorizes Lender, to the extent permitted by applicable law, to charge
or setoff all sums owing on the indebtedness against any and all such accounts.

EVENTS OF DEFAULT.  Each of the following shall constitute an Event of Default
under this Agreement:

  Default on Indebtedness.  Failure of Borrower to make any payment when due on
  the Loans.

  Other Defaults.  Failure of Borrower or any Grantor to comply with or to
  perform when due any other term, obligation, covenant or condition contained
  in this Agreement or in any of the Related Documents, or failure of Borrower
  to comply with or to perform any other term, obligation, covenant or condition
  contained in any other agreement between Lender and Borrower.

  Default in Favor of Third Parties.  Should Borrower or any Grantor default
  under any loan, extension of credit, security agreement, purchase or sales
  agreement, or any other agreement, in favor of any other creditor or person
  that may materially affect any of Borrower's property or Borrower's or any
  Grantor's ability to repay the Loans or perform their respective obligations
  under this Agreement or any of the Related Documents.

  False Statements.   Any warranty, representation or statement made or
  furnished to Lender by or on behalf of Borrower or any Grantor under this
  Agreement or the Related Documents is false or misleading in any material
  respect at the time made or furnished, or becomes false or misleading at any
  time thereafter.

  Defective Collateralization.  This Agreement or any of the Related Documents
  ceases to be in full force and effect (including failure of any Security
  Agreement to create a valid and perfected Security Interest) at any time and
  for any reason.

                                       6
<PAGE>

  Insolvency.  The dissolution or termination of Borrower's existence as a going
  business, the insolvency of Borrower, the appointment of a receiver for any
  part of Borrower's property, any assignment for the benefit of creditors, any
  type of creditor workout, or the commencement of any proceeding under any
  bankruptcy or insolvency laws by or against Borrower.

  Creditor or Forfeiture Proceedings.  Commencement of foreclosure or forfeiture
  proceedings, whether by judicial proceeding, self-help, repossession or any
  other method, by any creditor of Borrower, any creditor of any Grantor against
  any collateral securing the Indebtedness, or by any governmental agency.  This
  includes a garnishment, attachment, or levy on or of any of Borrower's deposit
  accounts with Lender.  However, this Event of Default shall not apply if there
  is a good faith dispute by Borrower or Grantor, as the case may be, as to the
  validity or reasonableness of the claim which is the basis of the creditor or
  forfeiture proceeding, and if Borrower or Grantor gives Lender written notice
  of the creditor or forfeiture proceeding and furnishes reserves or a surety
  bond for the creditor or forfeiture proceeding satisfactory to Lender.

  Events Affecting Guarantor.  Any of the preceding events occurs with respect
  to any Guarantor of any of the Indebtedness or any Guarantor dies or becomes
  incompetent, or revokes or disputes the validity of, or liability under, any
  Guaranty of the Indebtedness.  Lender, at its option, may, but shall not be
  required to, permit the Guarantor's estate to assume unconditionally the
  obligations arising under the guaranty in a manner satisfactory to Lender,
  and, in doing so, cure the Event of Default.

  Change In Ownership.  Any change in ownership of twenty-five percent (25%) or
  more of the common stock of Borrower.

  Adverse Change.  A material adverse change occurs in Borrower's financial
  condition, or Lender believes the prospect of payment or performance of the
  Indebtedness is impaired.

  Right to Cure.  If any default, other than a Default on Indebtedness, is
  curable and if Borrower or Grantor, as the case may be, has not been given a
  notice of a similar default within the preceding twelve (12) months, it may be
  cured (and no Event of Default will have occurred) if Borrower or Grantor, as
  the case may be, after receiving written notice from Lender demanding cure of
  such default: (a) cures the default within fifteen (15) days; or (b) if the
  cure requires more than fifteen (15) days, immediately initiates steps which
  Lender deems in Lender's sole discretion to be sufficient to cure the default
  and thereafter continues and completes all reasonable and necessary steps
  sufficient to produce compliance as soon as reasonably practical.

EFFECT OF AN EVENT OF DEFAULT.  If any Event of Default shall occur, except
where otherwise provided in this Agreement or the Related Documents, all
commitments and obligations of Lender under this Agreement or the Related
Documents or any other agreement immediately will terminate (including any
obligation to make Loan Advances or disbursements), and, at Lender's option, all
Indebtedness immediately will become due and payable, all without notice of any
kind to Borrower, except that in the case of an Event of Default of the type
described in the "Insolvency" subsection above, such acceleration shall be
automatic and not optional.  In addition, Lender shall have all the rights and
remedies provided in the Related Documents or available at law, in equity, or
otherwise.  Except as may be prohibited by applicable law, all of Lender's
rights and remedies shall be cumulative and may be exercised singularly or
concurrently.  Election by Lender to pursue any remedy shall not exclude pursuit
of any other remedy, and an election to make expenditures or to take action to
perform an obligation of Borrower or of any Grantor shall not affect Lender's
right to declare a default and to exercise its rights and remedies.

MISCELLANEOUS PROVISIONS.  The following miscellaneous provisions are a part of
this Agreement:

  Amendments.  This Agreement, together with any Related Documents, constitutes
  the entire understanding and agreement of the parties as to the matters set
  forth in this Agreement.  No alteration of or amendment to this Agreement
  shall be effective unless given in writing and signed by the party or parties
  sought to be charged or bound by the alteration or amendment.

  Applicable Law.  This Agreement has been delivered to Lender and accepted by
  Lender in the State of California.  If there is a lawsuit, Borrower agrees
  upon Lender's request to submit to the jurisdiction of the courts of San
  Francisco County, the State of California.  Lender and Borrower hereby waive
  the right to any jury trial in any action, proceeding, or counterclaim brought
  by either Lender or Borrower against the other.  (Initial here __/s/___)  This
  Agreement shall be governed by and construed in accordance with the laws of
  the State of California.

  Caption Headings.  Caption headings in this Agreement are for convenience
  purposes only and are not to be used to interpret or define the provisions of
  this Agreement.

  Consent to Loan Participation.  Borrower agrees and consents to Lender's sale
  or transfer, whether now or later, of one or more participation interests in
  the Loans to one or more purchasers, whether related or unrelated to Lender.
  Lender may provide, without any limitation whatsoever, to any one or more
  purchasers, or potential purchasers, any information or knowledge Lender may
  have about Borrower or about any other matter relating to the Loan, and
  Borrower hereby waives any rights to privacy it may have with respect to such
  matters.  Borrower additionally waives any and all notices of sale of
  participation interests, as well as all notices of any repurchase of such
  participation interests.  Borrower also agrees that the purchasers of any such
  participation interests will be considered as the absolute owners of such
  interests in the Loans and will have all the rights granted under the
  participation agreement or agreements governing the sale of such participation
  interests.  Borrower further waives all rights of offset or counterclaim that
  it may have now or later against Lender or against any purchaser of such a
  participation interest and unconditionally agrees that either Lender or such
  purchaser may enforce Borrower's obligation under the Loans irrespective of
  the failure or insolvency of any holder of any interest in the Loans.
  Borrower further agrees that the purchaser of any such participation interests
  may enforce its interests irrespective of any personal claims or defenses that
  Borrower may have against Lender.

  Costs and Expenses.  Borrower agrees to pay upon demand all of Lender's
  expenses, including without limitation attorneys' fees, incurred in connection
  with the preparation, execution, enforcement, modification and collection of
  this Agreement or in connection with the Loans made pursuant to this
  Agreement.  Lender may pay someone else to help collect the Loans and to
  enforce this Agreement, and Borrower will pay that amount.  This includes,
  subject to any limits under applicable law, Lender's attorneys' fees and
  Lenders legal expenses, whether or not there is a lawsuit, including
  attorneys' fees for bankruptcy proceedings (including efforts to modify or
  vacate any automatic stay or injunction), appeals, and any anticipated post-
  judgment collection services.  Borrower also will pay any court costs, in
  addition to all other sums provided by law.

                                       7
<PAGE>

  Notices.  All notices required to be given under this Agreement shall be given
  in writing, may be sent by telefacsimile (unless otherwise required by law),
  and shall be effective when actually delivered or when deposited with a
  nationally recognized overnight courier or deposited in the United States
  mail, first class, postage prepaid, addressed to the party to whom the notice
  is to be given at the address shown above.  Any party may change its address
  for notices under this Agreement by giving formal written notice to the other
  parties, specifying that the purpose of the notice is to change the party's
  address.  To the extent permitted by applicable law, it there is more than one
  Borrower, notice to any Borrower will constitute notice to all Borrowers.  For
  notice purposes, Borrower will keep Lender informed at all times of Borrower's
  current address(es).

  Severability.  If a court of competent jurisdiction finds any provision of
  this Agreement to be invalid or unenforceable as to any person or
  circumstance, such finding shall not render that provision invalid or
  unenforceable as to any other persons or circumstances.  If feasible, any such
  offending provision shall be deemed to be modified to be within the limits of
  enforceability or validity; however, if the offending provision cannot be so
  modified, it shall be stricken and all other provisions of this Agreement in
  all other respects shall remain valid and enforceable.

  Subsidiaries and Affiliates of Borrower.  To the extent the context of any
  provisions of this Agreement makes it appropriate, including without
  limitation any representation, warranty or covenant, the word "Borrower" as
  used herein shall include all subsidiaries and affiliates of Borrower.
  Notwithstanding the foregoing however, under no circumstances shall this
  Agreement be construed to require Lender to make any Loan or other financial
  accommodation to any subsidiary or affiliate of Borrower.

  Successors and Assigns.  All covenants and agreements contained by or on
  behalf of Borrower shall bind its successors and assigns and shall inure to
  the benefit of Lender, its successors and assigns.  Borrower shall not,
  however, have the right to assign its rights under this Agreement or any
  interest therein, without the prior written consent of Lender.

  Survival.  All warranties, representations, and covenants made by Borrower in
  this Agreement or in any certificate or other instrument delivered by Borrower
  to Lender under this Agreement shall be considered to have been relied upon by
  Lender and will survive the making of the Loan and delivery to Lender of the
  Related Documents, regardless of any investigation made by Lender or on
  Lender's behalf.

  Time is of the Essence.  Time is of the essence in the performance of this
  Agreement.

  Waiver.  Lender shall not be deemed to have waived any rights under this
  Agreement unless such waiver is given in writing and signed by Lender.  No
  delay or omission on the part of Lender in exercising any right shall operate
  as a waiver of such right or any other right.  A waiver by Lender of a
  provision of this Agreement shall not prejudice or constitute a waiver of
  Lender's right otherwise to demand strict compliance with that provision or
  any other provision of this Agreement.  No prior waiver by Lender, nor any
  course of dealing between Lender and Borrower, or between Lender and any
  Grantor, shall constitute a waiver of any of Lender's rights or of any
  obligations of Borrower or of any Grantor as to any future transactions.
  Whenever the consent of Lender is required under this Agreement, the granting
  of such consent by Lender in any instance shall not constitute continuing
  consent in subsequent instances where such consent is required, and in all
  cases such consent may be granted or withheld in the sole discretion of
  Lender.

BORROWER ACKNOWLEDGES HAVING READ ALL THE PROVISIONS OF THIS BUSINESS LOAN
AGREEMENT, AND BORROWER AGREES TO ITS TERMS.  THIS AGREEMENT IS DATED AS OF
AUGUST 30, 1999.

BORROWER:

ARTEST CORPORATION

By: /s/ Jen Kao
   ------------------------------
    Jen Kao, President

LENDER:

California Bank & Trust

By: /s/
   --------------------------------
    Authorized Officer

                                       8<PAGE>

                                                                   EXHIBIT 10.14

                           COMMERCIAL LOAN AGREEMENT

                               Loan No. 5986703
                                        -------

This Commercial Loan Agreement dated as of July 10, 2000 ("Agreement") is
between CALIFORNIA BANK & TRUST, a California banking corporation ("Bank"), and
ARTEST CORPORATION, a California corporation ("Borrower").

1.   DEFINITIONS

     1.1  The following terms shall have the following meanings when used in
this Agreement:

     "Agreement" shall mean this Commercial Loan Agreement as this Commercial
Loan Agreement may be amended or modified from time to time, together with all
exhibits and schedules attached to this Commercial Loan Agreement from time to
time.

     "Bank" shall mean California Bank & Trust, its successors and assigns.

     "Banking Day" shall mean, unless otherwise provided in this Agreement, a
day other than Saturday, Sunday, or a legal holiday on which Bank is open for
business in the State of California.

     "Borrower" shall mean Artest Corporation.

     "Borrower's Assets" shall mean any real or personal property owned,
occupied or controlled, now or hereafter, in whole or in part by Borrower,
including Borrower's intellectual property.

     "Code" shall mean the Internal Revenue Code of 1986, as amended from time
to time.

     "Collateral" means and includes, without limitation, all property and
assets granted as collateral security for a Loan, whether real or personal
property, whether granted directly or indirectly, whether granted now or in the
future and whether granted in the form of a security interest, mortgage, deed of
trust, assignment, pledge, chattel mortgage, chattel trust, factor's lien,
equipment trust, conditional sale, trust receipt, lien, charge, lien or title
retention contract, lease or consignment intended as a security device, or any
other security or lien interest whatsoever, whether created by law, contract, or
otherwise. The word "Collateral" includes without limitation all collateral
described in the section of this Agreement titled "Collateral."

     "Collateral Documents" shall mean all the documents set forth in this
Agreement in the section titled "Collateral Documents."

     "Environmental Laws" shall mean each and every federal, state or local law,
ordinance, regulation, permit, license, authorization, judgment, decree,
agreement, restriction or requirement pertaining to health, industrial hygiene,
Hazardous Substances, as defined below, or the environment.

                                       1
<PAGE>

     "ERISA" shall mean the Employee Retirement Income Security Act of 1974, as
amended from time to time.

     "Event of Default" means and includes without limitation any of the Events
of Default set forth in this Agreement in the section titled "Events of
Default."

     "GAAP" means generally accepted accounting principles set forth in the
opinions and pronouncements of the Accounting Principles Board and the American
Institute of Certified Public Accountants and statements and pronouncements of
the Financial Accounting Standards Board, or in such other statements by such
other entity as may be in general use by significant segments of the accounting
profession, which are applicable to the circumstances as of the date of
determination.

     "Inventory" shall mean all finished goods wherever located, and goods which
are or may at any time be held for sale or lease, furnished under and contract
of service or held as raw materials, work-in-progress, supplies, components or
materials used or consumed in Borrower's business or which are or might be used
in connection with the manufacturing, shipping, advertising, selling or
finishing of such goods, merchandise and other personal property and all
documents of title or documents representing the same, whether negotiable or
non-negotiable and all such property, the sale or other disposition of which has
given rise to Accounts Receivable and which has been returned to or repossessed
or stopped in transit by Borrower.

     "Hazardous Substance" shall mean any substance whose nature, existence, use
or effect render it subject now, or in the future, to federal, state or local
regulation, investigation, remediation or removal as potentially injurious to
public health or welfare.

     "Line of Credit Availability Period" shall mean the period of time
commencing on the date of this Agreement and continuing until the Line of Credit
Expiration Date.

     "Line of Credit Expiration Date" shall mean July 31, 2001.

     "Loan" shall mean and include, without limitation, any and all commercial
loans and financial accommodations from Bank to Borrower, whether now or
hereafter existing, and however evidenced, including without limitation, those
loans and financial accommodations described in this Agreement or on any exhibit
or schedule attached to this Agreement from time to time.

     "Loan Documents" shall mean this Agreement and all documents and agreements
executed or delivered to Bank in connection with this Agreement.

     "Net Operating Income" shall mean net income after taxes and after bonuses
(including sick leave, formal and discretionary).

     "PBGC" shall mean the Pension Benefit Guaranty Corporation established
pursuant to Subtitle A of Title IV of ERISA.

                                       2
<PAGE>

     "Person" shall mean and include an individual, a partnership, a
corporation, a joint stock corporation, an unincorporated association, a joint
venture or other entity or a governmental authority, but shall exclude a
Subsidiary, if any.

     "Plan" shall mean any employee pension benefit plan maintained or
contributed to by Borrower and insured by the PBGC under Title IV of ERISA.

     "Prime Rate" shall mean the rate of interest set from time to time by Bank
as its Prime Rate. The Prime Rate is determined by Bank as a means of pricing
credit extensions to some customers and is neither tied to any external rate of
interest or index nor is it necessarily the lowest rate of interest charged by
Bank at any given time for any particular class of customers or credit
extensions.

     "Security Agreement" shall mean the document delivered by Borrower to Bank
detailed in the section of this Agreement titled "Collateral Documents."

     "Subsidiary" shall mean a corporation in which Borrower owns, directly or
indirectly, shares of stock having sufficient ordinary voting power to elect a
majority of the board of directors or other managers of such corporation or the
management of which is otherwise controlled, directly or indirectly through one
or more intermediaries, of which Borrower has a controlling interest.

     "Tangible Net Worth" means the gross book value of Borrower's Assets
(excluding goodwill, patents, trademarks, trade names, organizational expenses,
treasury stock, unamortized debt discount and expense, deferred research and
development costs, other like intangibles, monies due from affiliates, officers
and/or directors of Borrower and notes receivable from shareholders and Employee
Stock Ownership Plan) plus debt that is subordinated to Bank in a manner
acceptable to Bank, less total liabilities, including, without limitation,
accrued and deferred income taxes, and any reserves against assets.

     "Total Liabilities Not Subordinated" shall mean the sum of current
liabilities plus long term liabilities (excluding debt subordinated to
Borrower's obligations to Bank in a manner acceptable to Bank), including,
without limitation, accrued and deferred income taxes.

     "UCC-1 Financing Statement" shall mean the document delivered by Borrower
to Bank detailed in the section of this Agreement titled "Collateral Documents."

2.   LOAN FACILITIES

     2.1  Bank agrees to make available to Borrower the following credit on the
following terms, covenants and conditions:

     a.   Non-Revolving Line of Credit. During the Line of Credit Availability
          ----------------------------
Period and so long as no Event of Default has occurred and is continuing, and
the cure period, if applicable, has expired Bank will, on a non-revolving basis,
make advances to Borrower ("Line of Credit"), which may not at any time exceed,
in the aggregate outstanding, Four Million Dollars ($4,000,000.00) (the "Line of
Credit Limit"). Borrower's obligation to repay advances under the Line of Credit
are evidenced by a Non-Revolving Line of Credit Note, in a form acceptable to
Bank (the "Non-Revolving Line of Credit Note"). During the Line of

                                       3
<PAGE>

Credit Availability Period, Borrower may repay principal amounts but not
reborrow them. Borrower agrees that Borrower will not permit the outstanding
balance under the Line of Credit to exceed the Line of Credit Limit.

     b.   Term Out Loans. On January 2, 2001, and on the first Banking Day of
          --------------
the sixth month thereafter (each a "Conversion Date"), all outstanding advances
on the Line of Credit will be converted into fully amortized term loans ("Term
Loans"). There shall be only two (2) such conversions. As of each Conversion
Date, all outstanding advances made on the Line of Credit to finance the
purchase of new equipment shall be repaid in full or refinanced as a Term Loan
(each a "New Equipment Term Loan") with a term of 54 months and monthly payments
equal to one fifty-fourth (1/54) of the principal sum refinanced, plus all
accrued interest on that principal sum. As of each Conversion Date, all
outstanding advances made on the Line of Credit to finance the purchase of used
equipment shall be repaid in full or similarly converted into a Term Loan (each
a "Used Equipment Term Loan") but with a term of 30 months and monthly payments
equal to one-thirtieth (1/30) of the principal sum refinanced, plus all accrued
interest on that principal sum. Notwithstanding the foregoing, the term of each
Term Loan shall not exceed the useful life of all the equipment refinanced by
the Term Loan as determined by Bank. Each Term Loan shall be evidenced by a term
loan note ("Term Loan Note") executed by Borrower in a form acceptable to Bank.

3.   TERMS

     3.1  Availability Period.

     a.   Line of Credit. Borrower may draw on the Line of Credit during the
          --------------
Line of Credit Availability Period, unless there is an Event of Default and the
cure period, if applicable has expired in which case the Bank need not make any
advances and may immediately accelerate all obligations of Borrower pursuant to
this Agreement.

     b.   Term Loans. All amounts disbursed under a Term Loan are due and
          ----------
payable on or before the maturity thereof as stated in the corresponding Term
Loan Note unless there is an Event of Default, in which case each Term Loan
shall be immediately due and payable in full.

     3.2  Interest Rate.

     a.   Line of Credit Interest Rate. Interest on advances on the Line of
          ----------------------------
Credit shall accrue at Prime Rate minus one-half percentage point (P - 0.50%)
per annum in effect from time to time (the "Regular Line of Credit Interest
Rate"). Any changes in the Regular Line of Credit Interest Rate resulting from a
change in the Prime Rate shall take effect without notice at the time the Prime
Rate is set.

     b.   Term Loan Interest Rate. Interest on the Term Loans shall accrue at
          -----------------------
Prime Rate minus one-half percentage point (P - 0.50%) per annum in effect from
time to time (the "Regular Term Loan Interest Rate"). Any change in the Regular
Term Loan Interest Rate resulting from a change in the Prime Rate shall take
effect without notice at the time the Prime Rate is set.

                                       4
<PAGE>

     3.3  Repayment Terms.

     a.   Line of Credit.
          --------------

               i.  Borrower shall pay interest monthly in arrears on the
               outstanding balance under the Line of Credit commencing on August
               1, 2000, and then on the first Banking Day of each month
               thereafter.

               ii.  Borrower shall repay an advance in full upon the sale by
               Borrower of any equipment purchased therewith.

               iii.  Borrower shall pay in full, all principal, interest and
               other charges outstanding under the Line of Credit no later than
               the Line of Credit Expiration Date.

     b.   Term Loan. Borrower shall pay principal and interest on the Term Loans
          ---------
in accordance with Section 2.1.b above, but if any equipment refinanced by a
Term Loan is sold by Borrower, Borrower shall repay that Term Loan in full upon
the sale.

     3.4  Expenses.

     a.   Borrower agrees to immediately repay Bank for the following expenses:
filing, recording and search fees, title report fees and documentation fees.

     b.   Borrower agrees to reimburse Bank for any reasonable expenses it
incurs in the negotiation and preparation of this Agreement and any agreement or
instrument required by this Agreement. Expenses include, but are not limited to,
reasonable attorneys' fees, including any allocated costs of Bank's in-house
counsel.

     3.5  Fees.

     a.   Line of Credit Fee. For the Line of Credit, Borrower shall pay a loan
          ------------------
fee of $2,000 upon execution of this Agreement ("Line of Credit Fee").

     b.   Term Loan Fee. Borrower shall pay a loan fee of one-tenth of one
          -------------
percent (0.10%) of the amount of each Term Loan upon its conversion from Line of
Credit advances ("Term Loan Fee").

4.   SECURITY AND OBLIGATIONS

     4.1  Collateral. All obligations of Borrower under this Agreement shall be
          ----------
secured by, and Borrower hereby grants to Bank, a first lien security interest
in all equipment purchased with an advance on the Line of Credit and all money,
deposit amounts and other assets of Borrower which hereafter come into the
possession, custody or control of Bank and all products and proceeds of the
above-described collateral, including, but not limited to, money, deposit
accounts, goods, insurance proceeds and other property. The Collateral may be
further described in the Security Agreement executed by Borrower.

                                       5
<PAGE>

     4.2  Collateral Documents.   In connection with the Collateral, Borrower
          --------------------
(or others as indicated) will execute the following "Collateral Documents":

     a.   Borrower's Security Agreement.   A security agreement executed by
          -----------------------------
Borrower, as debtor, in favor of Bank, as secured party, by which Bank will
obtain a security interest in the Collateral consisting of equipment and
proceeds.

     b.   Possessory Pledge Agreement.   A security agreement executed by
          ---------------------------
Borrower granting Bank a security interest in Collateral in the control of Bank.

     c.   UCC-1 Financing Statements.   UCC-1 financing statements executed by
          --------------------------
Borrower, as debtor, in favor of Bank, as secured party, filed with the
California Secretary of State's office and in such other jurisdictions as Bank
requires.

5.   DISBURSEMENTS, PAYMENTS AND COSTS

     5.1  Request for Credit.   Each request for an advance under the Line of
          ------------------
Credit will be made in writing in a manner acceptable to Bank, or by any other
means acceptable to Bank, in the minimum amount of $25,000.00.

     5.2  Disbursements and Payments.   Each advance under this Agreement by
          --------------------------
Bank and each payment by Borrower under this Agreement will be:

     a.   Made at Bank's San Jose North First Street Office, or other location
selected by Bank from time to time.

     b.   Made for the account of Bank's San Jose North First Street Office (or
other office or branch selected by Bank from time to time).

     c.   Made in lawful money of the United States in immediately available
funds, or such other type of funds selected by Bank and shall be made without
setoff or counterclaim.

     d.   Evidenced by records kept by Bank. Bank may, at its discretion,
require Borrower to sign one or more notes.

     5.3  Direct Debit
          ------------

     a.   Borrower agrees that interest and/or principal payments and any fees
due under this Agreement will be deducted automatically on the date such
payments are due (each, a "Due date," collectively, the "Due Dates") from the
Borrowers account no. (the "Designated Account").

     b.   Bank will debit the Designated Account on each Due Date. If a Due Date
does not fall on a banking Day, Bank will debit the Designated Account on the
first Banking Day following each Due date.

     c.   Borrower will maintain sufficient funds in the Designated Account on
the dates Bank enters debits authorized by this Agreement. If there are
insufficient funds in the

                                       6
<PAGE>

Designated Account on the date Bank enters any debit authorized by this
Agreement, Borrower shall immediately pay such shortfall to Bank.

     5.4  Banking Days.   All payments and disbursements which would be due on a
          ------------
day which is not a Banking Day will be due on the next Banking Day. All payments
received on a day which is not a Banking Day will be applied to the Line of
Credit or Term Loan, as the case may be, on the next Banking Day.

     5.5  Taxes.   Borrower will not deduct any taxes from any payments made to
          -----
Bank. If any government authority imposes any taxes or charges on any payments
to Borrower, Borrower will pay the taxes or charges. Upon request by Bank,
Borrower will confirm that it has paid the taxes by giving Bank official tax
receipts (or notarized copies thereof) within thirty (30) days after the date
the taxes are due.

     5.6  Interest Calculation.   Except as otherwise stated in this Agreement,
          --------------------
all interest and fees, if any, will be computed on the basis of a 360-day year
and the actual number of days elapsed. This results in more interest or a higher
fee than if a 365-day year is used.

     5.7  Fee on Late Payments.   At Bank's sole option in each instance, if any
          --------------------
amount is not paid within fifteen (15) days of when due under this Agreement
(including interest), Borrower shall pay a late charge for each unpaid amount
equal to five percent (5.00%) thereof.

     5.8  Default Rate.   If any amount under this Agreement is not paid in full
          ------------
when due at maturity or when due because of the exercise of an option by Bank,
Borrower agrees to pay interest on the outstanding principal and interest at the
rate of interest then in effect under this Agreement plus five percent (5.0%)
(the "Default Rate").

     5.9  Overdrafts.   At Bank's sole option in each instance, and provided
          ----------
there is no Event of Default which has occurred and is continuing, Bank may make
advances under this Agreement to prevent or cover an overdraft on any account of
Borrower with Bank. Each such advance will accrue interest from the date of the
advance or the date on which the account is overdrawn, whichever occurs first,
at the Regular Line of Credit Interest Rate. Any advances made pursuant to this
section shall be added to the outstanding balance under the Line of Credit and
shall not cause Borrower to exceed the Line of Credit Limit.

     5.10  Overadvances.   If at any time the aggregate outstanding advances
           ------------
under the Line of Credit together with any outstanding amounts advanced under
any other provision of this Agreement exceed the Line of Credit Limit, at Bank's
option, such excess amount or amounts shall be immediately due and payable by
Borrower to Bank on demand.

6.   CONDITIONS

     6.1  Initial Advance.   Bank's obligation to extend any credit to Borrower
          ---------------
pursuant to this Agreement is subject to the condition precedent that prior to
or on the date of this Agreement, Borrower shall have complied with the
requirements set forth below in this section and shall have delivered to Bank,
in form and substance satisfactory to Bank, the

                                       7
<PAGE>

following documents, duly executed by authorized representatives of Borrower or
as specified below:

     a.   This Agreement.

     b.   The Non-Revolving Line of Credit Note.

     c.   The Security Agreement, Possessory Pledge Agreements and UCC-1
Financing Statement.

     d.   Corporate Authorization. A corporate authorization to borrow in a form
acceptable to Bank.

     e.   Evidence of Priority. Evidence, satisfactory to Bank, that security
interests and liens in favor of Bank are valid, enforceable, and prior to all
other rights and interests, except those Bank consents to in writing and all
fully executed termination statements required by Bank.

     f.   Payment of the Line of Credit Fee and reimbursement of Bank's
expenses.

     g.   Insurance. Evidence of insurance coverage, as required in the
"Affirmative Covenants" section of this Agreement, together with an executed
Agreement to Furnish Insurance in a form acceptable to Bank.

     h.   Governing Documents.   A copy of the Articles of Incorporation or
Certificate of Incorporation certified by the Secretary of State of the state of
its incorporation and Bylaws of the Borrower.

     i.   Miscellaneous. Such other evidence as Bank may reasonably require and
would not be unreasonably onerous, burdensome or expensive for Borrower to
provide, to establish the consummation of the transactions contemplated hereby,
the taking of all proceedings in connection herewith and compliance with the
conditions set forth in this Agreement.

     6.2  Conditions to Each Line of Credit Advance.
          -----------------------------------------

     The obligation of Bank to make any advances under the Line of Credit
(including the initial advance) shall be subject to each of the further
conditions precedent that on the date of such advance to Bank's complete
satisfaction:

     a.   Following the making of any such advances, the aggregate principal
amount outstanding on the Line of Credit shall not exceed the Line of Credit
Limit.

     b.   There shall be no Event of Default that is continuing and has not been
cured within the applicable cure period.

     c.   Delivery to Bank of a signed purchase order for the equipment
acceptable to Bank and such other evidence of purchase, delivery and acceptance
of the equipment as Lender shall require.

                                       8
<PAGE>

     d.   Satisfactory inspection and/or appraisal of the equipment by Bank if
Bank so requires.

     e.   Delivery or written evidence of planned delivery of the equipment to
Borrower;

     f.   The equipment must be satisfactory to Bank in its discretion.

     g.   Bank shall have a first position security interest in the equipment.

     h.   Borrower shall provide Bank with a disbursement authorization signed
by Borrower in form satisfactory to Bank. Lender may require that any advance be
disbursed directly to the equipment vendor.

     i.   Borrower shall provide Bank with proof of insurance on the equipment
in amount and with coverages and from any insurer acceptable to Lender.

     j.   Such other documents as Bank may reasonably require.

     k.   No advance shall exceed ninety percent (90%) (70% in the case of used
equipment) of the total invoice cost of the equipment to be purchased with the
advance, including shipping, installation and taxes.

     l.   Total advances to finance used equipment (whether on the Line of
Credit or Term Loans) shall not exceed $2,000,000.00.

7.   REPRESENTATIONS AND WARRANTIES

     When Borrower signs this Agreement, and until Bank is repaid in full,
Borrower makes the following representations and warranties to the best of its
knowledge. Each request for an extension of credit under the Line of Credit
constitutes a renewed representation.

     7.1  Organization of Borrower.   Borrower is a corporation duly formed and
          ------------------------
existing under the laws of the State of California.

     7.2  Authorization.   This Agreement, and any instrument or agreement
          -------------
required hereunder, are within Borrower's powers, have been duly authorized, and
do not conflict with any of Borrower's organizational papers.

     7.3  Enforceable Agreements.   This Agreement and any related Loan
          ----------------------
Documents, are legal, valid and binding obligations of Borrower, enforceable
against Borrower, in accordance with their respective terms, and any instrument
or agreement required hereunder or thereunder, when executed and delivered, will
be similarly legal, valid, binding and enforceable.

     7.4  Good Standing.   In each state in which Borrower does business,
          -------------
Borrower is properly licensed, in good standing, and, where required, in
compliance with all legal requirements, including, without limitation,
fictitious name statutes.

                                       9
<PAGE>

     7.5  No Conflicts.   This Agreement does not conflict with or violate any
          ------------
provision of any law, rule, regulation, order, writ, judgement, injunction,
decree, determination, or award applicable to Borrower, or any other agreement,
or result in a breach of or constitute a default or any other agreement, lease
or instrument to which Borrower is a party or by which Borrower or their
property may be bound or affected.

     7.6  Financial Information.   All financial and other information that has
          ---------------------
been or will be supplied to Bank are:

     a.   sufficiently complete to give Bank accurate knowledge of Borrower's
financial condition.

     b.   in the form and content required by Bank.

     c.   in compliance with all applicable government regulations.

     Since the dates of the financial statements specified above, there has been
no material adverse change in the assets or the financial condition of Borrower.

     7.7  Litigation.   There is no known litigation, investigation, proceeding,
          ----------
claim, lien or dispute pending in excess of $250,000 or to Borrower's knowledge
threatened against or affecting Borrower or the property of Borrower, the
adverse determination of which may materially affect the financial condition or
operations of Borrower or impair the ability of Borrower to perform its
obligations hereunder or under any instrument or agreement required hereunder,
except as has been disclosed in writing to Bank prior to the date hereof.

     7.8  Collateral.   All Collateral required in this Agreement is owned by
          ----------
the grantor of the security interest, free of any title defects or any liens or
interests of others, and shall be located at Borrower's facility in either
Sunnyvale or San Diego, California.

     7.9  Permits, Franchises.   Borrower possesses all permits, memberships,
          -------------------
franchises, contracts and licenses required and all trademark rights, trade name
rights, patent rights and fictitious name rights necessary to enable it to
conduct the business in which it is now engaged without conflict with the rights
of others, except for claims alleged in litigation disclosed to Bank which
claims are currently disputed by Borrower.

     7.10  Other Obligations.   Borrower is not in material default under any
           -----------------
obligation for borrowed money, any purchase money obligation or any other
material lease, commitment, contract, instrument or obligation that could
materially impair Borrower's ability to perform under this Agreement.

     7.11  Tax Returns.   Borrower filed all required tax returns, have paid all
           -----------
taxes shown to be due and payable on said returns or any assessments made
against them or any of their property and have no knowledge of any pending
assessments or adjustments of its income tax for any year.

     7.12  No Event of Default.   No Event of Default has occurred.
           -------------------

                                       10
<PAGE>

     7.13  ERISA Plans.
           -----------

     a.    Borrower has fulfilled its obligations, if any, under the minimum
funding standards of ERISA and the Code, with respect to each Plan, and is in
compliance in all material respects with the presently applicable provisions of
ERISA and the Code, and has not incurred any liability with respect to any Plan
under Title IV of ERISA.

     b.    No reportable event has occurred under Section 4043(b) of ERISA for
which the PBGC requires a thirty (30) day notice.

     c.    No action by Borrower to terminate or withdraw from any Plan has been
taken and no notice of intent to terminate a Plan has been filed under Section
4041 of ERISA that would cause Borrower to incur a material tax liability.

     d.    No proceeding has been commenced with respect to a Plan under Section
4042 of ERISA, and no event has occurred or condition exists which might
constitute grounds for the commencement of such a proceeding.

     7.14  Environmental Compliance.
           ------------------------

     a.    Environmental Compliance.   Borrower, to the best of its knowledge,
           ------------------------
has implemented and complied and will, in the future, implement and comply in
all material respects with all Environmental Laws.

     b.    No Hazardous Substance Generation.   Borrower has not owned, used,
           ---------------------------------
generated, manufactured, stored, handled, treated, released, discharged or
disposed of any Hazardous Substance in connection with Borrower's Assets, except
in compliance with all the applicable Environmental Laws.

     c.    No Environmental Litigation.   There are no suits, proceedings,
           ---------------------------
claims or disputes, claiming violations of any Environmental Law pending or, to
the knowledge of Borrower, threatened against or affecting Borrower or
Borrower's Assets.

     d.    Asbestos Prohibition.   There is no asbestos prohibited by law
           --------------------
contained in Borrower's Assets.

     e.    Survival of Representations and Warranties.   The representations and
           ------------------------------------------
warranties of this Section 7.14 shall be continuing and shall survive the
termination and release of this Agreement or foreclosures of any deed of trust
or any security agreements securing this Line of Credit and/or Term Loan and the
discharge or payment of any obligation under this Agreement.

     7.15  Commercial Purposes.   Borrower intends to use all advances made
           -------------------
pursuant to this Agreement solely for business or commercially related purposes.

                                       11
<PAGE>

8.   AFFIRMATIVE COVENANTS

     Borrower agrees, so long as credit is available under this Agreement and
until Bank is repaid in full:

     8.1  Loan Documents.   To comply with and observe all terms and conditions
          --------------
of this Agreement, and all other Loan Documents, including, without limitation,
the obligation to pay principal, interest and all other sums due under this
Agreement or under any of the other Loan Documents.

     8.2  Use of Proceeds.   To use the proceeds of the Line of Credit only for
          ---------------
the purchase financing of equipment by Borrower for use by Borrower. The
equipment so financed shall consist of high-end mixed signal testing equipment
and peripherals.

     8.3  Financial Information.   To provide the following financial
          ---------------------
information and statements and such additional information as requested by Bank
from time to time:

     a.   As soon as available, and in any event within one hundred twenty (120)
days after the end of each fiscal year, Borrower's unqualified, CPA firm audited
annual financial statement with balance sheet and income statement. The CPA firm
shall be acceptable to Bank.

     b.   As soon as available, and in any event within forty-five (45) days of
each quarterly period, Borrower's quarterly financial statement prepared by
Borrower.

     c.   All financial reports required to be provided under this Agreement
shall be certified by Borrower as being true and correct.

     8.4  Tangible Net Worth.   To maintain as of the end of each quarter,
          ------------------
Tangible Net Worth of not less than Sixteen Million Dollars ($16,000,000.00).

     8.5  Total Liabilities to Tangible Net Worth.   To maintain as of the end
          ---------------------------------------
of each quarter, a ratio of Total Liabilities Not Subordinated to Tangible Net
Worth not to exceed 1.25 to 1.0.

     8.6  Current Ratio.   Maintain as of the end of each quarter, a ratio of
          -------------
current assets to current liabilities in excess of 2.0 to 1.0.

     8.7  Debt Service Coverage.   To maintain as of each fiscal year-end, a
          ---------------------
ratio of (a) net income after taxes plus depreciation, amortization and interest
to (b) the sum of all interest expense and the current portion of long term debt
of not less than 1.5 to 1.0.

     8.8  Notices to Bank.   To promptly notify Bank in writing of:
          ---------------

     a.   Any actual or threatened litigation or proceeding against Borrower or
any Subsidiary where the amount is $250,000 or more which could materially
affect the financial condition of Borrower or any Subsidiary;

                                       12
<PAGE>

     b.    Any material dispute between Borrower, Subsidiary and any government
authority;

     c.    Any material failure to comply with this Agreement or any other
agreement for borrowed money;

     d.    Any material adverse change in Borrower's Assets or operations or
financial condition; or in any of the Subsidiaries' assets or operations;

     e.    Any change in Borrower's name, address, or legal structure; and

     f.    The occurrence of any Event of Default.

     8.9   Books and Records.  To maintain adequate books and records reflecting
           -----------------
full, true and correct entries of all financial transactions of Borrower.

     8.10  Audits.  To allow Bank and its agents to inspect Borrower's Assets
           ------
and examine, audit and make copies of books and records at any reasonable time.
Such audits will occur no more frequently than quarterly, but not less than
annually unless there shall have occurred and be continuing an Event of Default.
If any of Borrower's Assets, books or records are in the possession of a third
party, Borrower hereby authorizes that third party to permit Bank, or its
agents, to have access to perform inspections or audits and to respond to Bank's
requests for information concerning such assets, books and records.

     8.11  Compliance.  To substantially comply with the laws, regulations,
           ----------
orders of any government body with authority over Borrower's business (including
any fictitious name statute and all Environmental Laws) and all material
contractual obligations arising from any agreements, instruments or undertakings
to which Borrower is bound.

     8.12  Preservation of Borrower's Assets and Rights.   To maintain and
           --------------------------------------------
preserve all rights, privileges, and franchises Borrower now has that are
necessary or desirable in the normal conduct of Borrower's business.

     8.13  Payment of Taxes.   Pay all taxes when due, including but not limited
           ----------------
to, federal and state income, employment and sales taxes, now or hereafter
imposed in connection with Borrower's Assets.

     8.14  Maintenance of Properties.   To make any repairs, renewals, or
           -------------------------
replacements to keep Borrower's Assets in good working condition.

     8.15  Perfection of Liens.   To help Bank perfect and protect its security
           -------------------
interests and liens, and reimburse Bank for reasonable related costs incurred to
protect its security interests and liens.

     8.16  Cooperation.   To take any action reasonably requested by Bank to
           -----------
carry out the intent of this Agreement and to maintain a financial condition
satisfactory to Bank at all times.

                                       13
<PAGE>

     8.17  Insurance.
           ---------

     a.    Insurance Covering Assets.   To maintain all risk property damage
           -------------------------
insurance policies covering the Collateral. Each insurance policy must be for
either the full replacement cost of the Collateral and include a replacement
cost endorsement. The insurance must be issued by an insurance company
reasonably acceptable to Bank and must include a lender's loss payable
endorsement in favor of Bank in a form acceptable to Bank. Each insurance policy
shall provide for not less than thirty (30) days' notice to Bank of any material
modification or intent to cancel.

     b.    General Business Insurance.   To maintain insurance as is customary
           --------------------------
for a business of the kind that Borrower conducts.

     c.    Evidence of Insurance.   Upon request of Bank, to deliver to Bank a
           ---------------------
copy of each insurance policy, or, if permitted by Bank, a certificate of
insurance listing all insurance policies currently in force.

     8.18  Operating/Business Accounts.   Establish and maintain with Bank
           ---------------------------
Borrower's domestic operating and business accounts and other banking services
associated with the operation of Borrower's business, including, without
limitation, any demand deposit accounts, except for an investment account.
Borrower shall maintain on a consolidated basis at all times deposit accounts
with Bank in the minimum amount of Two Million Two Hundred Fifty Thousand
Dollars ($2,250,000.00).

     8.19  ERISA Plan.   To give prompt written notice to Bank:
           ----------

     a.    Within ten (10) days after Borrower knows or has reason to know of
the occurrence of any reportable event under Section 4043(b) of ERISA for which
the PBGC requires thirty (30) days' notice, together with a copy of such
materials required to be filed with the PBGC (with respect to such reportable
event and in each such case a statement of the chief financial officer of the
Borrower setting forth details as to such reportable event and the action that
Borrower proposes to take with respect thereto.

     b.    Within ten (10) days after Borrower knows or has reason to know of
any condition existing with respect to a Plan which presents a material risk of
termination or withdrawal from a Plan or the filing of any notice of intent to
terminate under Section 4041 of ERISA.

     c.    At least ten (10) days prior to the filing by any plan administrator
of a Plan of a notice of intent to terminate such Plan, together with a copy of
such notice.

     d.    Within ten (10) days after the filing thereof with the Secretary of
the Treasury, a copy of any application by the Borrower or any ERISA affiliate
for a waiver of the minimum funding standard under Section 412 of the Code.

     e.    Within ten (10) days after Borrower knows or has reason to know of
any event giving rise to any notice of noncompliance made with respect to a Plan
under Section 4141(b) of ERISA.

                                       14
<PAGE>

     f.    Within ten (10) days after Borrower knows or has reason to know of
any event giving rise to any commencement of any proceeding with respect to a
Plan under Section 4042 of ERISA.

     8.20  Environmental Laws.   To give prompt written notice to Bank of:
           ------------------

     a.    Any proceeding or inquiry by any federal, state or local governmental
authority (including, without limitation, the California State Department of
Health Services and the applicable Regional Water Quality Control Board) with
respect to the presence of any Hazardous Substance on or in connection with
Borrower's Assets or the migration thereof from or to any other property;

     b.    Any report or filing made by Borrower to any federal, state or local
governmental authority with respect to the presence of any Hazardous Substance
on or related to Borrower's Assets, the migration thereof from or to any other
property or in connection with Borrower's business;

     c.    All claims made or threatened by any third party against Borrower or
Borrower's Assets relating to any loss or injury resulting from the discharge,
use, transport, release or disposal of any Hazardous Substance; and

     d.    Except as already disclosed in writing to Bank, Borrower's discovery
of any occurrence or condition on Borrower's Assets, or on any real property
adjoining or in the vicinity of Borrower's Assets that could cause Borrower's
Assets or any part thereof to be subject to any restrictions on the ownership,
occupancy transferability or use of Borrower's Assets under any Environmental
Law.

     8.21  Environmental Assessment.   In the event that any violation or
           ------------------------
potential violation of Environmental Laws is discovered, Borrower will, at
Borrower's expense, perform and deliver to Bank such additional environmental
assessments as may be requested by Bank. If Borrower fails to perform and
deliver any such environmental assessments, Bank may, at its option, order the
environmental assessment and add the cost thereof to any balance due under this
Agreement, provided, however, that Bank shall not have any obligation to order
such assessments and shall not have any obligation to take any corrective action
in connection with either the assessment or the violation of Environmental Laws.

     8.22  Hazardous Waste Indemnification.   Borrower will indemnify and hold
           -------------------------------
Bank harmless from any loss, liability or cost, directly or indirectly arising
out of the use, generation, manufacture, production, storage, release,
threatened release, discharge, disposal or presence of a Hazardous Substance
that is caused by Borrower. This indemnity will apply whether the Hazardous
Substance is on, under, about or adjacent to Borrower's Assets or operations.
The indemnity includes but is not limited to attorneys' fees (including the
reasonable estimate of the allocated cost of in-house counsel and staff). The
indemnity extends to Bank, its parent, subsidiaries and all of their directors,
officers, employees, agents, successors, attorneys and assigns.

     Upon demand by Bank, Borrower will defend any investigation, action or
proceeding alleging the presence of any Hazardous Substance in any such location
which affects any

                                       15
<PAGE>

of Borrower's Assets, operations or property leased to Borrower or which is
brought or commenced against Bank, whether alone or together with Borrower or
any other person or entity, all at Borrower's own cost and by counsel, to be
approved by Bank in the exercise of its reasonable judgment. In the alternative,
Bank may elect to conduct its own defense at the expense of Borrower.

     8.23  Expenses.   To pay all expenses of Bank for the following:
           --------

     a.    Preparation, negotiation and administration of the Loan Documents and
the protection of the rights of Bank under the Loan Documents;

     b.    The enforcement of payment of Borrower's obligations under the Loan
Documents, whether by judicial pleadings or otherwise, including, without
limitation, in connection with bankruptcy, insolvency, liquidation,
reorganization, moratorium and other similar proceedings involving the Borrower
or a "workout" of Borrower's obligations under the Loan Documents.

     The obligations of the Borrower under this Section shall be effective and
enforceable whether or not any amounts are advanced pursuant to this Agreement
and shall survive payment of all of Borrower's obligations to the Bank.

     8.24  Requirements of Law; Increased Costs.   Borrower will pay Bank, on
           ------------------------------------
demand, any additional amounts necessary to compensate the Bank for the Bank's
increased costs, reduced rate of return or amount receivable in respect thereof
to Bank of making, renewing, modifying or maintaining the Line of Credit and any
Term Loan arising from compliance by Bank with any applicable law, order,
regulation, treaty, request or directive issued by any central bank or other
governmental authority, agency or instrumentalist, or any governmental or
judicial interpretation or application thereof. Such costs shall include,
without limitation:

     a.    Any tax of any kind whatsoever with respect to this Agreement or any
loans made issued hereunder, or changes to the basis of taxation of payments to
Bank of principal, fee, interest, or any other amount payable hereunder (except
for change in the rate of tax on the overall net income of Bank).

     b.    Any reserve, capital requirement, special deposit, compulsory loan,
or similar requirements against assets held by, or deposits or other liabilities
in or for the account of, advances or loans by, or other credit extended by, or
any other acquisition of funds by, any office of the Bank that are not otherwise
included in the determination of interest payable on the Line of Credit or any
Term Loan.

     c.    Any other condition.

     A notice as to any additional amounts payable pursuant to the foregoing
sentence containing the calculation thereof in reasonable detail submitted by
Bank to Borrower shall be conclusive in the absence of manifest error. The
provisions hereof shall survive the termination of this Agreement and payment of
outstanding amounts payable hereunder.

                                       16
<PAGE>

9.   NEGATIVE COVENANTS

     Borrower agrees, so long as credit is available under this Agreement and
until Bank is repaid in full:

     9.1  Other Debts.   Not to have outstanding or incur any direct or
          -----------
contingent debts or lease obligations (other than those to Bank), or become
liable for the debts of others without Bank's prior written consent which will
not be unreasonably withheld. This does not prohibit:

     a.   Trade debt incurred in the ordinary course of business and outstanding
less than thirty (30) days after the same has become due.

     b.   Endorsing negotiable instruments received in the usual course of
business.

     c.   Obtaining surety bonds in the usual course of business.

     d.   Debts, lines of credit and leases in existence on the date of this
Agreement disclosed in writing to Bank and accepted or approved by Bank in
writing, prior to the date of this Agreement.

     e.   Debts of any Subsidiary or debts of any Subsidiary to another
Subsidiary.

     f.   Additional debts and lease obligations for the acquisition of fixed or
capital assets within the amounts specified above.

     9.2  Other Liens.   Not to create, assume, or allow any security interest
          -----------
or lien (including judicial liens) on Borrower's Assets except:

     a.   Liens or security interests in favor of Bank.

     b.   Liens for taxes, assessments, or other governmental charges that are
not delinquent or that remain payable without any penalty not yet due.

     c.   Liens outstanding on the date of this Agreement disclosed in writing
to Bank and approved by Bank.

     d.   Indebtedness to trade creditors in the ordinary course of business.

     e.   Liens imposed by law, such as warehousemen's liens in the ordinary
course of business.

     9.3  Distributions.   Not to repurchase stock of Borrower, pay cash
          -------------
dividends or make any distribution of assets to its stockholders, whether in
cash, property or securities, if such repurchases, payments or distributions, in
the aggregate, after giving effect thereto, would at the time it is made create
a default in any covenant set forth in this Agreement.

     9.4  Loans, Advances, Investments.   Not to make any loans or advances to,
          ----------------------------
or investments (at cost) in, or guarantee the obligations of any Person if such
loans, advances,

                                       17
<PAGE>

investments and guarantees if, after giving effect thereto, would at the time it
is made create a default in any covenant set forth in this Agreement.

     9.5   Loans to Officers.   Not to make any loans, advances, or other
           -----------------
extensions of credit to any of Borrower's executives, officers, directors,
shareholders or employees (or any relatives of any of the foregoing) if, after
giving effect thereto, such loans, advances or other credit in the aggregate,
would at the time it is made create a default in any covenant set forth in this
Agreement or any other agreement, law or regulation.

     9.6   Change in Organization or Operations.   Not to cause, permit or
           ------------------------------------
suffer any change, revision, amendment or modification of any kind in and to its
organization and operations or the change of ownership or control of Borrower,
if the effect thereof is to impair Borrower's ability to perform its obligations
under this Agreement and any other document executed in connection with this
Agreement.

     9.7   Dissolutions, Mergers or Acquisitions.   Not to liquidate or dissolve
           -------------------------------------
or enter into any consolidation, merger, partnership, pool, joint venture,
syndicate or other combination, or sell or dispose of Borrower's business or
Borrower's Assets, except in the ordinary course of business, or engage in any
business activity substantially different from Borrower's present business that
would materially impair Borrower's ability to perform its obligations under this
Agreement.

     9.8   Sale of Assets; Sale and Leaseback.   Not to sell or otherwise
           ----------------------------------
dispose of any of its assets for less than fair market value, or enter into any
sale and leaseback agreement covering any of its fixed or capital assets.

     9.9   Suspension of Business.   Not to voluntarily suspend its business for
           ----------------------
more than five (5) consecutive business days in any thirty (30) day period.

     9.10  No Consumer Purpose.   Not to use any loans or advances hereunder for
           -------------------
personal, family or household purposes.

     9.11  No Violation of Environmental Laws. Not to use, generate,
           ----------------------------------
manufacture, produce, store, release, discharge, or dispose of on, under or
about Borrower's Assets or transport to or from Borrower's Assets any Hazardous
Substance or allow any third party to do any of the foregoing except in
compliance with all applicable Environmental Laws.

     9.12  No Asbestos.   Not to install or permit to be installed on or in
           -----------
Borrower's Assets any friable asbestos or other asbestos substance prohibited by
any Environmental Laws. If Borrower discovers asbestos on or in Borrower's
Assets, Borrower shall at Borrower's expense comply with all requirements of the
Environmental Laws regarding asbestos.

     9.13  No Underground Tanks.   Not to install any underground tanks on
           --------------------
Borrower's Assets and any underground tanks already on Borrower's Assets will be
maintained, monitored and/or removed in compliance with all Environmental Laws.

     9.14  Transactions with Affiliates.   Not to enter any transaction with any
           ----------------------------
affiliate of Borrower, including Borrower's officers, directors, shareholders
and Subsidiaries, on

                                       18
<PAGE>

terms less favorable than those available to Borrower from entities or persons
not affiliated with Borrower and at interest rates less than the minimum
interest rates required by the Internal Revenue Service for imputed interest
purposes.

10.  DEFAULT

     10.1  Events of Default.   The occurrence of any one or more of the
           -----------------
following events shall constitute an "Event of Default":

     a.    Failure to Pay.   Borrower fails to make any payment under this
           --------------
Agreement when due.

     b.    Non-Compliance.   Borrower or any of Borrower's Shareholders fails to
           --------------
meet the material conditions of, or fails to perform any material obligation
under:

               i.    this Agreement;

               ii.   any of the other Loan Documents; or

               iii.  any other agreement Borrower or any of Borrower's
               Shareholders has with Bank or any affiliate of Bank.

     c.    Other Defaults.   Any material default occurs under any agreement in
           --------------
connection with any credit Borrower has obtained from any other creditor or
which Borrower has guaranteed if the default consists of failing to make a
payment when due or which gives the other creditor the right to accelerate the
obligation.

     d.    Lien Priority.   Bank fails to have an enforceable first lien
           -------------
position (except for any prior liens to which Bank has consented in writing) on
or security interest in the Collateral that would materially impair Bank's
overall security interest provided such failure is not due to the documents
prepared by Bank or filings made by Bank.

     e.    False Information.   Any representation or warranty under this
           -----------------
Agreement or any agreement, instrument or certificate executed pursuant to this
Agreement or in connection with any transaction contemplated hereby shall prove
to have been false or misleading in any material respect when made or when
deemed to have been made.

     f.    Bankruptcy.   Borrower files a bankruptcy petition, a bankruptcy
           ----------
petition is filed against Borrower or Borrower makes a general assignment for
the benefit of creditors. The default will be deemed cured if any bankruptcy
petition filed against Borrower is dismissed within a period of sixty (60) days
after the filing; provided, however, that Bank will not be obligated to extend
any additional credit to Borrower during any such period.

     g.    Receivers.   A receiver or similar official is appointed for
           ---------
Borrower's business, or Borrower's business is terminated.

     h.    Litigation.   Any litigation is filed against Borrower in an
           ----------
aggregate amount of $250,000.00 and such litigation is not dismissed or fully
bonded or covered by insurance to Bank's satisfaction within ten (10) days after
service of process upon Borrower.

                                       19
<PAGE>

     i.    Judgments.   Any judgments or arbitration awards are entered against
           ---------
Borrower and, absent procurement of a stay of execution, such judgment or award
remains unbonded or unsatisfied for ten (10) calendar days after the date of
entry; or Borrower enters into any settlement agreement with respect to any
litigation or arbitration, in an aggregate amount of Two Hundred Fifty Thousand
Dollars ($250,000.00).

     j.    Government Action.   Any government authority takes action that Bank
           -----------------
reasonably believes adversely affects Borrower's financial condition or ability
to repay its obligations under this Agreement.

     k.    Default under Security Agreements.  Any continuing guaranty,
           ---------------------------------
subordination agreement, security agreement, deed of trust, or other document
required by this Agreement is violated, revoked, challenged or the terms of
which are breached by the party bound thereby.

     l.    Material Adverse Change.   A material adverse change occurs in
           -----------------------
Borrower's Assets or Borrower's financial condition, properties or prospects, or
ability to repay Borrower's obligations hereunder or under any other Loan
Document.

     m.    ERISA Plans.   The occurrence of a reportable event with respect to a
           -----------
Plan or any Plan termination (or commencement of proceedings to terminate a
Plan) or Borrower's full or partial withdrawal from a Plan, which is, in the
reasonable judgment of Bank, likely to result in the termination of such Plan
for purposes of Title IV of ERISA, or could reasonably be expected, in the
judgment of Bank, to subject Borrower to any tax, penalty or liability (or any
combination of the foregoing) which, in the aggregate, would have a materially
adverse effect on the financial condition of Borrower with respect to a Plan.

     10.2  Remedies.   Upon and after the occurrence of an Event of Default,
           --------
Bank shall have all of the following rights and remedies:

     a.    All obligations and indebtedness hereunder may, at the option of Bank
and without demand, notice, or legal process of any kind, be declared, and
immediately shall become, due and payable and Bank may terminate this Agreement
at any time, without notice, notwithstanding any other provision of this
Agreement. No such termination shall affect liabilities and obligations of
Borrower or the rights, powers and remedies of the Bank under any security
agreements with respect to future collateral, until all obligations of Borrower
to Bank have been satisfied or paid in full.

     b.    All obligations hereunder shall bear interest at the Default Rate.

     c.    All of the rights and remedies of a secured party under the
California Commercial Code or other applicable law, all of which rights and
remedies shall be cumulative, and not exclusive, to the extent permitted by law,
in addition to any other rights and remedies contained in this Agreement and in
any of the documents or agreements executed in connection herewith.

     d.    The right to: (i) have Bank or Bank's agent peacefully enter upon the
premises of Borrower or any other place or places where the Collateral is
located, without

                                       20
<PAGE>

any obligation to pay rent to Borrower or any other person, through self-help
and without judicial process or first obtaining a final judgment or giving
Borrower notice and opportunity for a hearing on the validity of Bank's claim,
and remove the Collateral from such premises to the premises of Bank or any
agent of Bank, for such time as Bank may require to collect or liquidate the
Collateral or (ii) have a receiver appointed by a court to conduct Borrower's
business, without regard to the adequacy of any security for Borrower's
indebtedness to Bank, and enter upon and take possession of Borrower's Assets,
or any part thereof, and perform any acts that may be necessary or proper to
conserve the value of Borrower's Assets and/or run Borrower's business as an
ongoing concern; and/or (iii) require Borrower to assemble and deliver the
Collateral to Bank at a place to be designated by Bank.

     e.    The right to sell, lease or to otherwise dispose of all or any
Collateral in its then condition, or after any further manufacturing or
processing thereof, at public or private sale or sales, in lots or in bulk, for
cash or on credit, all as Bank, in its sole discretion, may deem advisable. At
any such sale or sales of the Collateral, the Collateral need not be in view of
those present and attending the sale, nor at the same location at which the sale
is being conducted. Bank shall have the right to conduct such sales on
Borrower's premises or elsewhere and shall have the right to use Borrower's
premises without charge for such sales for such time or times as Bank may see
fit. Bank is hereby granted a license or other right to use, without charge,
Borrower's labels, patents, copyrights, rights of use of any name, trade
secrets, trade names, trademarks and advertising matter, or any property of a
similar nature, as it pertains to the Collateral, in advertising for sale and
selling any Collateral and Borrower's rights under all licenses and all
franchise agreements to the extent permitted under the applicable agreement
shall inure to Bank's benefit. Bank may purchase all or any part of the
Collateral at public or, if permitted by law, private sale and, in lieu of
actual payment of such purchase price, may setoff the amount of such price
against amounts due under this Agreement. The proceeds realized from the sale of
any Collateral shall be applied first to the costs and expenses, including
attorneys' fees, incurred by Bank for collection and for acquisition,
completion, protection, removal, storage, sale and delivery of the Collateral;
and second to amounts due under this Agreement. Bank shall account to Borrower
for any surplus. If any deficiency shall arise, Borrower shall remain liable to
Bank therefor.

     f.    The right to setoff against amounts due under this Agreement to the
same extent as if the obligations hereunder were undersecured; provided,
however, this right to setoff shall not apply to investment accounts.

     10.3  Costs and Expenses.   Upon the occurrence of any Event of Default,
           ------------------
Bank shall be entitled to recover all costs, expenses, and attorneys' fees
(including any allocated costs of in-house counsel) in connection with the
administering or enforcing of this Agreement, whether or not an action is filed.

11.  MISCELLANEOUS

     11.1  GAAP.   Except as otherwise stated in this Agreement, all financial
           ----
information provided to Bank and all financial covenants will be made under
generally accepted accounting principles consistently applied.

                                       21
<PAGE>

     11.2  APPLICABLE LAW.   THIS AGREEMENT HAS BEEN DELIVERED TO BANK AND
           --------------
ACCEPTED BY BANK IN THE STATE OF CALIFORNIA. IF THERE IS A LAWSUIT, BORROWER
AGREES UPON BANK'S REQUEST TO SUBMIT TO THE JURISDICTION OF THE COURTS OF SANTA
CLARA COUNTY, THE STATE OF CALIFORNIA.

     11.3  Successors and Assigns.   This Agreement is binding on Borrower's and
           ----------------------
Bank's successors and assignees. Borrower agrees that it may not assign this
Agreement without Bank's prior written consent which shall not be unreasonably
withheld.

     11.4  Severability; Waivers.   If any part of this Agreement is not
           ---------------------
enforceable, the rest of the Agreement may be enforced. No failure on the part
of Bank to exercise, and no delay in exercising, any right, power, or remedy
under this Agreement shall operate as a waiver thereof; nor shall any single or
partial exercise of any right under this Agreement preclude any other or further
exercise thereof or the exercise of any other right. Any consent or waiver under
this Agreement must be in writing. If Bank waives a default, it may enforce a
later default.

     11.5  Costs and Expenses.   In addition to the recovery of costs and
           ------------------
expenses upon an occurrence of an Event of Default, if Bank incurs expenses in
connection with the preparation, administering, enforcing, or arising out of
this Agreement, Borrower shall pay Bank all such costs and reasonable attorneys'
fees, including any allocated costs of in-house counsel.

     11.6  Appointment of Bank as Attorney in Fact.   Until all the obligations
           ---------------------------------------
have been paid in full and upon a material Event of Default that has not been
cured under Section 10.1(n), Borrower irrevocably appoints Bank as its attorney
in fact and authorizes and empowers it to endorse and affix Borrower's name to
or upon any check, draft, note, instrument or other writing relating to the
collection of Accounts Receivable, or relating to any other Collateral, or upon
any check or other instrument given in payment thereof, or upon any omitted
assignment, notification of assignment, demand or auditor's verification
relating to Collateral and upon all other instruments and writings required to
assert and protect Bank's rights in the Collateral.

     11.7  Attorney's Fees and Costs.   In the event of a lawsuit or arbitration
           -------------------------
proceedings, the prevailing party is entitled to recover costs and reasonable
attorney's fees (including any allocated costs of in-house counsel) incurred in
connection with the lawsuit or arbitration proceedings as determined by the
court or arbitrator.

     11.8  Entire Agreement.   This Agreement, the Term Loan Notes, the Non-
           ----------------
Revolving Line of Credit Note and any other agreements required by this
Agreement, collectively:

     a.    represent the sum of the understandings and agreements between Bank,
Borrower concerning this Agreement;

     b.    replace any prior oral or written agreements between Bank and
Borrower concerning this credit;

                                       22
<PAGE>

     c.    are intended by Bank and Borrower as the final, complete and
exclusive statement of the terms agreed to by them; and

     d.    any alteration or amendment to this Agreement shall be effective
unless given in writing and signed by an authorized person of the party or
parties sought to be changed or bound by the alteration or amendment.

     In the event of any conflict between this Agreement and any other
agreements required by this Agreement, this Agreement will prevail.

     11.9   Notices.   Except as otherwise provided herein, all notices required
            -------
under this Agreement shall be personally delivered or sent by first class mail,
postage prepaid, to the addresses on the signature page of this Agreement, or to
such other addresses as Bank and Borrower may specify from time to time in
writing.

     11.10  Headings.   Article and section headings are for reference only and
            --------
shall not affect the interpretation or meaning of any provisions of this
Agreement.

     11.11  Counterparts.   This Agreement may be executed in as many
            ------------
counterparts as necessary or convenient, and by the different parties on
separate counterparts each of which, when so executed, shall be deemed an
original but all such counterparts shall constitute but one and the same
agreement.

     11.12  Further Assurances.   Borrower shall, at its expense and without
            ------------------
expense to Bank, do, execute and deliver such further acts and documents as Bank
from time to time reasonably requires for the assuring to Bank the rights
created or intended to be created by this Agreement, the perfection or priority
of Bank's liens and security interests, and for carrying out the intention or
facilitating the performance of the terms of this Agreement or any document
executed in connection with this Agreement.

     11.13  Singular/Plural.   Terms defined in the singular shall also have
            ---------------
their meanings in the plural as the context of this Agreement requires.

     11.14  Time is of the Essence.   Time is of the essence in the performance
            ----------------------
of this Agreement.

     This Agreement is executed as of the date stated at the top of the first
page.

ARTEST CORPORATION                          CALIFORNIA BANK & TRUST
a California corporation                    a California Banking corporation

By:  /s/ Jen Kao                            By:
    JEN KAO                                      Ted Nakada
    President and Chief Executive                Vice President and Manager
    Officer
                                            By:
                                                 Benjamin Katai
                                                 Vice President

                                       23
<PAGE>

Address where notices are to be sent:

Artest Corporation                          California Bank & Trust
678 Almanor Avenue                          515 North First Street
Sunnyvale, CA 94086                         San Jose, CA 95112

                                       24

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