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                                                                  Exhibit 10.65


                                   EXHIBIT "A"

ADDENDUM TO SECURITY AND LOAN AGREEMENT ("SECURITY AND LOAN AGREEMENT") BETWEEN
ALPHA MICROSYSTEMS AND IMPERIAL BANK

DATED: JUNE 9, 1998

This Addendum is made and entered into JUNE 9, 1998, between ALPHA MICROSYSTEMS
("Borrower") and IMPERIAL BANK ("Bank"). This Addendum amends and supplements
the Security and Loan Agreement. In the event of any inconsistency between the
terms herein and the terms of the Security and Loan Agreement, the terms herein
shall in all cases govern and control. All capitalized terms herein, unless
otherwise defined herein, shall have the meaning set forth in the Security and
Loan Agreement.

1.  Any commitment of Bank, pursuant to the terms of the Security and Loan
    Agreement, to make advances against Eligible Accounts shall expire on JUNE
    8, 2001, subject to Bank's right to renew said commitment at its sole
    discretion. Any renewal of the commitment shall not be binding upon the Bank
    unless it is in writing and signed by an officer of the Bank.

2.  Borrower represents and warrants that:

    a.  LITIGATION. There is no litigation or other proceeding pending or
        threatened against or affecting Borrower other than that which has
        previously been disclosed to Bank in writing, and Borrower is not in
        default with respect to any order, writ, injunction, decree or demand of
        any court or other governmental or regulatory authority.

    b.  FINANCIAL CONDITION. The balance sheet of Borrower as of February 22,
        1998, and the related profit and loss statement on that date, a copy of
        which has heretofore been delivered to Bank by Borrower, and all other
        statements and data submitted in writing by Borrower to Bank in
        connection with this request for credit are true and correct, and said
        balance sheet and profit and loss statement truly present the financial
        condition of Borrower as of the date thereof and the results of the
        operations of Borrower for the period covered thereby, and have been
        prepared in accordance with generally accepted accounting principles on
        a basis consistently maintained. Since such date, there have been no
        material adverse changes in the financial condition or business of
        Borrower. Borrower has no knowledge of any liabilities, contingent or
        otherwise, at such date not reflected in said balance sheet, and
        Borrower has not entered into any special commitments or substantial
        contracts which are not reflected in said balance sheet, other than in
        the ordinary and normal course of its business, which may have material
        adverse effect upon its financial condition, operations or business as
        now conducted.

    c.  TRADEMARKS, PATENTS. Borrower, as of the date hereof, possesses all
        necessary trademarks, trade names, copyrights, patents, patent rights,
        and licenses to conduct its business as now operated, without any known
        conflict with valid trademarks, trade names, copyrights patents and
        license rights of others.

    d.  TAX STATUS. Borrower has no liability for any delinquent state, local or
        federal taxes, and, if Borrower has contracted with any government
        agency, Borrower has no liability for renegotiation of profits.

3.  Borrower agrees that so long as it is indebted to Bank, or as long as Bank
    has any obligation to make any advances to Borrower, or as long as the
    Security and Loan Agreement is outstanding it will not, without Bank's
    written consent:

    a.  TYPE OF BUSINESS, MANAGEMENT. Make any substantial change in the
        character of its business; or make any change in its executive
        management.

    b.  OUTSIDE INDEBTEDNESS. Create, incur, assume or permit to exist any
        indebtedness for borrowed moneys other than loans from Bank except
        obligations now existing as shown in Borrower's financial statement
        dated February 22, 1998, excluding those being refinanced by Bank; or
        sell or transfer, either with or without recourse, any accounts or notes
        receivable or any moneys due to become due.


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    c.  LIENS AND ENCUMBRANCES. Create, incur, assume any mortgage, pledge,
        encumbrance, lien or charge of any kind (including the charge upon
        property at any time purchased or acquired under conditional sale or
        other title retention agreement) upon any asset now owned or hereafter
        acquired by it, other than liens now existing as


        shown in the financial statement dated February 22, 1998, and liens for
        taxes not delinquent and liens in Bank's favor.

    d.  LOANS, INVESTMENTS, SECONDARY LIABILITIES. Make any loans or advances to
        any person or other entity other than in the ordinary and normal course
        of its business as now conducted or make any investment in the
        securities of any person or other entity other than the United States
        Government or commercial paper maturing no more than one (1) year from
        the date of creation thereof and currently having the highest rating
        obtainable from either Standard & Poor's Corporation or Moody's
        Investors Service, Ind., or certificates of deposit maturing more than
        one (1) year from the date of investment therein issued by Bank; or
        guarantee or otherwise become liable upon the obligation of any person
        or other entity, except by endorsement of negotiable instruments for
        deposit or collection in the ordinary and normal course of its business.

    e.  ACQUISITION OR SALE OF BUSINESS; MERGER OR CONSOLIDATION. Purchase or
        otherwise acquire the assets or business of any person or other entity;
        or liquidate, dissolve, merge or consolidate, or commence any
        proceedings therefore; or sell any assets except in the ordinary course
        of its business as now conducted; or sell, lease, assign, or transfer
        any substantial part of its business, or fixed assets, or any property
        or other assets necessary for the continuance of its business as now
        conducted, including without limitation the selling of any property or
        other asset accompanied by leasing back of the same.

    f.  DIVIDENDS, STOCK PAYMENTS. Declare or pay any dividend (other than
        dividends payable in common stock of Borrower and Preferred Stock
        dividends to ING Equity Partners) or make any other distribution of any
        of its capital stock now outstanding or hereafter issued or purchase,
        redeem or retire any of such stock.

    g.  CAPITAL EXPENDITURES. Make or incur obligations for capital expenditures
        excluding spares inventory, in excess of $800,000 in any one fiscal
        year.

    h.  LEASE LIABILITY. Make or incur liability for payments of rent under
        leases of real property in excess of $500,000 and personal property
        (capital leases) in excess of $500,000 in any one fiscal year.

4.  Should there be a default under the Security and Loan Agreement, the General
    Security Agreement or under any note executed by Borrower in favor of Bank,
    or under any other document executed by Borrower in favor of Bank, all
    obligations, loans and liabilities of Borrower to Bank, due or to become
    due, whether now existing or hereafter arising, shall at the option of the
    Bank, become immediately due and payable without notice or demand, and Bank
    shall thereupon have the right to exercise all of its default rights and
    remedies.

5.  Bank will advance up to 75% of Eligible Accounts up to maximum of $2,000,000
    provided, however, that Bank, in its sole and absolute discretion may adjust
    the foregoing advance rate to a lower amount deemed prudent by Bank
    contingent upon "dilution" exceeding 5% on an annual basis as determined by
    Bank audit. For purposes of this Addendum, "dilution" shall be defined as
    non-cash credits applied to accounts receivable. Eligible Accounts shall
    only include such accounts as Bank in its sole discretion shall determine
    are eligible from time to time. In addition to the provisions in the
    Security and Loan Agreement, "Eligible Accounts" shall also NOT include any
    of the following:

    a.  Account balances over ninety (90) days from invoice date.

    b.  Credit balances greater than ninety (90) days from invoice date.

    c.  Accounts with respect to which 25% or more of the account debtor's total
        accounts or obligations outstanding to Borrower are more than 90 days
        from invoice date are not eligible.


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    d.  For accounts representing more than 15% of Borrower's total accounts
        receivable, the balance in excess of the 15% is not eligible. However,
        the Bank may deem, in its sole discretion, the entire amount, or any
        portion thereof, eligible.

    e.  Accounts with respect to international transactions unless insured by an
        insurance company acceptable to the Bank or covered by letters of credit
        issued or confirmed by a bank acceptable to the Bank. Bank, in its sole
        discretion, may deem as eligible amounts due from major, publicly owned
        foreign companies.

    f.  Accounts with respect to which the account debtor is an officer,
        director, shareholder, employee, subsidiary or affiliate of Borrower.

    g.  Accounts where the account debtor is a seller to Borrower, whereby a
        potential offset (contra) exists.

    h.  Consignment or guaranteed sales.

    i.  Bill and hold accounts.

    j.  Collection accounts.

    k.  C.O.D. accounts.

    l.  Salesmen's accounts for promotional purposes.

    m.  Government receivables, unless formally assigned to the Bank.

    n.  Pre-billings other than the pre-billed monthly contracts.

    o.  Annual maintenance contracts.

6.  All financial covenants and financial information referenced herein shall be
    interpreted and prepared in accordance with generally accepted accounting
    principles applied on a basis consistent with previous years. Compliance
    with financial covenants shall be calculated and monitored on a monthly
    basis.

7.  Borrower affirmatively covenants that so long as any loans, obligations or
    liabilities remain outstanding or unpaid to Bank, or as long as Bank has any
    obligation to make any advances to Borrower, or as long as the Security and
    Loan Agreement is outstanding it will:

    a.  On a monthly basis, maintain a minimum EFFECTIVE TANGIBLE NET WORTH
        (defined as stockholder's equity, plus subordinated debt, less any
        intangible assets, including but not limited to goodwill, trademarks,
        patents, copyrights, organization expense, and all amounts due from
        officers, stockholders, and affiliates) of not less than $9,000,000 plus
        90% of all extraordinary gains, proceeds from capital stock sold, and
        equity issued in connection with mergers and acquisitions, and 70% of
        positive net income after taxes.

    b.  On a monthly basis, maintain a maximum TOTAL DEBT TO EFFECTIVE TANGIBLE
        NET WORTH (defined as total liabilities excluding deferred revenues to
        effective tangible net worth) of not more than 1.00 to 1.00.

    c.  On a monthly basis, maintain a minimum QUICK RATIO (defined as cash and
        equivalents and accounts receivable to current liabilities less deferred
        revenues) of at least 1.50 to 1.00.

    d.  Maintain all primary accounts and banking relationship with Bank during
        the term of the Loan Commitment. Maintain, or cause to be maintained, on
        deposit with Bank, non-interest bearing demand deposit balances
        sufficient to compensate Bank for all services provided by Bank.
        Balances shall be calculated after reduction for the reserve requirement
        of the Federal Reserve Board and uncollected funds. Any deficiencies
        shall be charged directly to the Borrower on a monthly basis.

    e.  Within 10 days from each month-end, deliver to Bank an accounts
        receivable aging reconciled to the general ledger of Borrower, and a
        detailed accounts payable aging reconciled to the Borrower's general
        ledger and setting forth the amount of any book overdraft or the amount
        of checks issued but not sent. All the foregoing will be in form
        satisfactory to the Bank. Also provide the Bank, on a quarterly basis or
        more frequently if demanded by Bank, a complete address list of all
        active customers.



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    f.  Within 45 days after each month end, deliver to Bank a profit and loss
        statement and balance sheet of Borrower in form satisfactory to Bank,
        all certified by an officer of Borrower.

    g.  Within 45 days after each month end, deliver to Bank a covenant
        compliance calculation certified by the CFO of Borrower.

    h.  Within 45 days after each fiscal quarter end, deliver to Bank 10Q
        reports.

    i.  Within 90 days after the close of Borrower's fiscal year, deliver to
        Bank the 10K report and the same financial statements as otherwise
        provided monthly together with Changes in Financial Position Statement,
        prepared on an audited basis by an independent certified public
        accountant selected by Borrower but acceptable to Bank.

    k.  Within 90 days after the close of Borrower's fiscal year, income
        statement and balance sheet projections for the following fiscal year.

    l.  All other information that Bank may reasonably request.

    m.  RIGHTS AND FACILITIES. Maintain and preserve all rights, franchises and
        other authority adequate for the conduct of its business; maintain its
        properties, equipment and facilities in good order and repair; conduct
        its business in an orderly manner without voluntary interruption and if
        a corporation or partnership, maintain and preserve its existence.

    n.  INSURANCE. Maintain public liability, property damage and workers'
        compensation insurance and insurance on all its insurable property
        against fire and other hazards with responsible insurance carriers to
        the extent usually maintained by similar businesses. Borrower shall
        provide evidence of property insurance in amounts and types acceptable
        to the Bank. Bank to be named as Loss Payee.

    o.  TAXES AND OTHER LIABILITIES. Pay and discharge, before the same become
        delinquent and before penalties accrue thereon, all taxes, assessments
        and governmental charges upon or against it or any of its properties,
        and any of its liabilities at any time existing, except to the extent
        and so long as:

        (a) The same are being contested in good faith and by appropriate
            proceedings in such manner as not to cause any material adverse
            effect upon its financial condition or the loss of any right of
            redemption from any sale thereunder; and

        (b) It shall have set aside on its books reserves segregated to the
            extent required by generally accepted accounting practice) deemed
            adequate with respect thereto.

    p.  RECORDS AND REPORTS. Maintain a standard and modern system of accounting
        in accordance with generally accepted accounting principles on a basis
        consistently maintained; permit Bank's representatives to have access
        to, and to examine its properties, books and records at all reasonable
        times, at least two times a year at a fee to the Borrower of $2,500 per
        audit.



8.  INTEREST RATE. The rate of interest applicable to the Loan Account shall be
    2.00% (Two Percent) per year in excess of the rate of interest which Bank
    has announced as its prime lending rate ("Prime Rate") which shall vary
    concurrently with any change in such Prime Rate. Interest shall be computed
    at the above rate on the basis of the actual number of days during which the
    principal balance of the loan account is outstanding divided by 360, which
    shall, for interest computation purposes, be considered one year. Should
    Borrower be in default, as default is defined herein, Bank at its option may
    demand payment of any or all of the amount due under the Loan Account
    including accrued but unpaid interest, at any time. Notice of such demand
    may be given verbally or in writing and should be effective upon receipt by
    Borrower.

9.  COMMITMENT FEE. A commitment fee of $20,000, equal to 1.00% (One Percent),
    of the line of credit amount will be due upon execution hereof.

10. UNUSED FEE. A fee of 0.50% (One-half Percent), per annum, on any unused
    amount of the line of credit, will be assessed and payable quarterly in
    arrears.



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11. NOTICE OF DEFAULT. Borrower shall promptly notify Bank in writing of the
    occurrence of any event of default hereunder or which would be such an event
    of default upon notice and lapse of time.

12. MISCELLANEOUS PROVISIONS.

    a.  FAILURE OR INDULGENCE NOT WAIVER. No failure or delay on the part of
        Bank or any holder of Notes issued hereunder, in the exercise of any
        power, right or privilege hereunder shall operate as a waiver thereof,
        nor shall any single or partial exercise thereof or of any other right,
        power or privilege. All rights and remedies existing under this
        agreement or any not issued in connection with a loan that Bank may make
        hereunder are cumulative to, not exclusive of, any rights or remedies
        otherwise available.



13. This Addendum is executed by and on behalf of the parties as of the date
    first above written.


ALPHA MICROSYSTEMS
"BORROWER"

BY:                                             BY:
        -------------------------                       -----------------------
TITLE:                                          TITLE:
        -------------------------                       -----------------------

IMPERIAL BANK
"BANK"

BY:
        -------------------------
TITLE:
        -------------------------





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