Document:

<PAGE>

                                                                 EXHIBIT 10.17.7

                                                                [Execution Copy]

                               AMENDMENT NO. 7 TO
                          WAREHOUSE LOAN AGREEMENT AND
                                RELATED DOCUMENTS

      AMENDMENT NO. 7 TO WAREHOUSE LOAN AGREEMENT AND RELATED DOCUMENTS, dated
as of August 26, 2004 (this "Amendment"), is entered into by and among TRINITY
INDUSTRIES LEASING COMPANY, a Delaware corporation (the "Manager"), TRINITY RAIL
LEASING TRUST II, a Delaware statutory trust (the "Borrower"), the LENDERS party
hereto, and CREDIT SUISSE FIRST BOSTON, NEW YORK BRANCH, as Agent for the
Lenders (in such capacity, the "Agent). Capitalized terms used but not defined
herein have the meaning set forth in the Agreement referred to below.

                                    RECITALS;

      WHEREAS, (i) the Manager, the Borrower, the Lenders and the Agent are
parties to that certain Warehouse Loan Agreement dated as of June 27, 2002 (as
heretofore amended, the "Agreement"), and (ii) the Manager and Borrower are
parties to that certain Operation, Maintenance, Servicing and Remarketing
Agreement, dated as of June 27, 2002 (as heretofore amended, the "Management
Agreement"); and

      WHEREAS, the parties hereto desire to amend the Agreement and the
Management Agreement as hereinafter set forth.

      NOW THEREFORE, for good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, the parties agree as follows:

                    I. AMENDMENT TO WAREHOUSE LOAN AGREEMENT:

1.    The definition of "Revolving Termination Date" contained in Section 1.01
of the Agreement is hereby amended by deleting the date "August 27, 2004"
occurring therein and by inserting "August 26, 2005" in place thereof.

             II. AMENDMENT TO OPERATION, MAINTENANCE, SERVICING AND
                              REMARKETING AGREEMENT

1.    Section 8.02 of the Management Agreement is hereby amended by deleting
clause (i) thereof and by inserting the following clause (i) in place thereof:

      "(i) if the long term Dollar-denominated rating of Trinity (x) by Moody's,
falls below Moody's "Senior Implied" "B2" category, or (y) by S&P, falls below
S&P's "Corporate Credit" "B" category, or Trinity shall cease to be rated by S&P
or Moody's (other than in circumstances where S&P and/or Moody's shall no longer
provide ratings and Trinity shall have obtained an equivalent rating from an
internationally recognized rating agency)."

2.    Section 8.06 of the Management Agreement is hereby amended by deleting the
first sentence occurring therein and by inserting the following sentence in
place thereof:

<PAGE>

      "In the event that the long term Dollar-denominated rating of Trinity (x)
by Moody's, falls below Moody's "Senior Implied" "Ba2" category, or (y) by S&P,
falls below S&P's "Corporate Credit" "BB" category, or Trinity shall cease to be
rated by S&P or Moody's (other than in circumstances where S&P and/or Moody's
shall no longer provide ratings and Trinity shall have obtained an equivalent
rating from an internationally recognized rating agency), the Company and the
Manager shall, as soon as reasonably practicable, and in any event within 6
months of such downgrade, appoint a back-up Manager (the "Back-up Manager")
which is reasonably acceptable to all of the Lenders, the Agent, Moody's and
S&P, which Back-up Manager shall otherwise meet the criteria applicable to a
Successor Manager set forth in Section 8.04."

                                 MISCELLANEOUS:

1.    Effectiveness. This Amendment becomes effective on the date on which the
Agent has received signature pages duly executed by each party to this Amendment
(including the Required Lenders).

2.    Representations and Warranties. The Manager and the Borrower each
represent and warrant that its respective representations and warranties
contained in Article V of the Agreement and Article X of the Management
Agreement, as applicable, are true and correct on and as of the date of this
Amendment as though made on and as of such date, except to the extent that such
representations and warranties expressly relate to an earlier date.

3.    Effect of Amendment. All provisions of the Agreement and the Management
Agreement, as expressly amended and modified by this Amendment, shall remain in
full force and effect. After this Amendment becomes effective, all references in
the Agreement or the Management Agreement (or in any other Transaction Document)
to the Agreement or the Management Agreement, as applicable, shall be deemed to
be references to the Agreement or the Management Agreement as amended hereby.

4.    Counterparts. This Amendment may be executed in any number of counterparts
and by different parties on separate counterparts, each of which when so
executed shall be deemed to be an original and all of which when taken together
shall constitute but one and the same instrument. Delivery of an executed
counterpart of a signature page to this Amendment by facsimile shall be
effective as delivery of a manually executed counterpart of this Amendment.

5.    Governing Law. This Amendment shall be governed by, and construed in
accordance with, the internal laws of the State of New York.

6.    Section Headings. The various headings of this Amendment are included for
convenience only and shall not affect the meaning or interpretation of this
Amendment, the Agreement, the Management Agreement or any provision hereof or
thereof.

                            [SIGNATURE PAGES FOLLOW]

                                       -2-
<PAGE>

      IN WITNESS WHEREOF, the parties have executed this Amendment on the date
first written above.

                                          TRINITY INDUSTRIES LEASING
                                          COMPANY

                                          By:/s/Eric Marchetto
                                             ---------------------------------
                                          Name:  ERIC MARCHETTO
                                          Title: VICE PRESIDENT

                                          TRINITY RAIL LEASING TRUST II

                                          By:/s/Eric Marchetto
                                             ---------------------------------
                                          Name:  ERIC MARCHETTO
                                          Title: VICE PRESIDENT

                                          CREDIT SUISSE FIRST BOSTON,
                                          NEW YORK BRANCH
                                            as Agent and as a Committed Lender

                                          By:_________________________________
                                             Name:
                                             Title:

                                          By:_________________________________
                                             Name:
                                             Title:

<PAGE>

      IN WITNESS WHEREOF, the parties have executed this Amendment on the date
first written above.

                                          TRINITY INDUSTRIES LEASING
                                          COMPANY

                                          By:_________________________________
                                             Name:
                                             Title:

                                          TRINITY RAIL LEASING TRUST II

                                          By:_________________________________
                                             Name:
                                             Title:

                                          CREDIT SUISSE FIRST BOSTON,
                                          NEW YORK BRANCH
                                            as Agent and as a Committed Lender

                                          By:/s/Mark Golombeck
                                             ---------------------------------
                                             Name:  Mark Golombeck
                                             Title: Director

                                          By:/s/Hans Bald
                                             ---------------------------------
                                             Name:  Hans Bald
                                             Title: Managing Director

<PAGE>

                                          GRAMERCY CAPITAL CORPORATION, as a
                                          Conduit Lender

                                          By:/s/Mark Lengel
                                             ---------------------------------
                                             Name:  MARK LENGEL
                                             Title: DIRECTOR

                                          By:/s/Josh Borg
                                             ---------------------------------
                                             Name:  JOSH BORG
                                             Title: VICE PRESIDENT

                                          GREENWICH FUNDING CORPORATION, as
                                          a Conduit Lender

                                          By:/s/Mark Lengel
                                             ---------------------------------
                                             Name:  MARK LENGEL
                                             Title: DIRECTOR

                                          By:/s/Josh Borg
                                             ---------------------------------
                                             Name:  JOSH BORG
                                             Title: VICE PRESIDENT

                                          ALPINE SECURITIZATION CORP, as a
                                          Conduit Lender

                                          By:/s/Mark Lengel
                                             ---------------------------------
                                             Name:  MARK LENGEL
                                             Title: DIRECTOR

                                          By:/s/Josh Borg
                                             ---------------------------------
                                             Name:  JOSH BORG
                                             Title: VICE PRESIDENT

<PAGE>

                                          DRESDNER BANK AG, NEW YORK
                                          BRANCH, as,a Committed Lender

                                          By:/s/Timothy C. Madigan
                                             ---------------------------------
                                             Name:  Timothy C. Madigan
                                             Title: Director

                                          By:/s/Roman Mazo
                                             ---------------------------------
                                             Name:  Roman Mazo
                                             Title: VP

                                          BEETHOVEN FUNDING CORPORATION, as
                                          a Conduit Lender

                                          By:________________________________
                                             Name:
                                             Title:

<PAGE>

                                          DRESDNER BANK AG, NEW YORK
                                          BRANCH, as a Committed Lender

                                          By:________________________________
                                             Name:
                                             Title:

                                          By:________________________________
                                             Name:
                                             Title:

                                          BEETHOVEN FUNDING CORPORATION, as
                                          a Conduit Lender

                                          By:/s/Matthew Dorr
                                             ---------------------------------
                                             Name:  Matthew Dorr
                                             Title: Vice President

<PAGE>

                                          COOPERATIEVE CENTRALE RAIFFEISEN-
                                          BOERENLEENBANK B.A., "RABOBANK
                                          INTERNATIONAL", NEW YORK BRANCH,
                                          as a Committed Lender

                                          By:/s/James Han
                                             ---------------------------------
                                             Name:  James Han
                                             Title: Vice President

                                          By:/s/ Brett Delfino
                                             ---------------------------------
                                             Name:  Brett Delfino
                                             Title: Executive Director

                                          NIEUW AMSTERDAM RECEIVABLES
                                          CORPORATION, as a Conduit Lender

                                          By:________________________________
                                             Name:
                                             Title:

<PAGE>

                                          COOPERATIEVE CENTRALE RAIFFEISEN-
                                          BOERENLEENBANK B.A., "RABOBANK
                                          INTERNATIONAL", NEW YORK BRANCH,
                                          as a Committed Lender

                                          By:________________________________
                                             Name:
                                             Title:

                                          By:________________________________
                                             Name:
                                             Title:

                                          NIEUW AMSTERDAM RECEIVABLES
                                          CORPORATION,as a Conduit Lender

                                          By:/s/Matthew Dorr
                                             ---------------------------------
                                             Name:  Matthew Dorr
                                             Title: Vice President<PAGE>

                                                                EXHIBIT 10.17.10

East Bay RCBO
One Kaiser Plaza, Suite 850
Oakland, CA 94612

September 1, 2004
Cholestech Corporation
3347 Investment Blvd.
Hayward, CA 94545

Gentlemen:

       This letter amendment (this "Amendment") is to confirm the changes agreed
upon between WELLS FARGO BANK, NATIONAL ASSOCIATION ("Bank") and Cholestech
Corporation ("Borrower") to the terms and conditions of that certain letter
agreement between Bank and Borrower dated as of May 1, 2000, as amended from
time to time (the "Agreement"). For valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, Bank and Borrower hereby agree
that the Agreement shall be amended as follows to reflect said changes:

       1. The Agreement is hereby amended by deleting "September 1, 2005" as the
last day on which Bank will make advances under the Line of Credit, and by
substituting for said date "September 1, 2006," with such change to be effective
upon the execution and delivery to Bank of a promissory note dated as of
September 1, 2004 (which promissory note shall replace and be deemed the Line of
Credit Note defined in and made pursuant to the Agreement) and all other
contracts, instruments and documents required by Bank to evidence such change.

       2. Except as specifically provided herein, all terms and conditions of
the Agreement remain in full force and effect, without waiver or modification.
All terms defined in the Agreement shall have the same meaning when used herein.
This Amendment and the Agreement shall be read together, as one document.

       3. Borrower hereby remakes all representations and warranties contained
in the Agreement and reaffirms all covenants set forth therein. Borrower further
certifies that as of the date of Borrower's acknowledgment set forth below there
exists no default or defined event of default under the Agreement or any
promissory note or other contract, instrument or document executed in connection
therewith, nor any condition, act or event which with the giving of notice or
the passage of time or both would constitute such a default or defined event of
default.

                                    Page 1
<PAGE>

Your acknowledgment of this Amendment shall constitute acceptance of the
foregoing terms and conditions.

Sincerely,

WELLS FARGO BANK,
NATIONAL ASSOCIATION

By: /s/ Greg Harris
    -------------------
Relationship Manager

Acknowledge and accepted as of August 20, 2004

CHOLESTECH CORPORATION

By: /s/ Warren E. Pinckert II
    -------------------------------
Title: PRESIDENT, CEO

                                    Page 2-
<PAGE>

WELLS FARGO                                    REVOLVING LINE OF CREDIT NOTE

$4,000,000.00                                                Oakland, California
                                                               September 1, 2004

FOR VALUE RECEIVED, the undersigned CHOLESTECH CORPORATION ("Borrower") promises
to pay to the order of WELLS FARGO BANK, NATIONAL ASSOCIATION ("Bank") at its
office at East Bay RCBO, One Kaiser Plaza, Suite #850, Oakland, CA 94612, or at
such other place as the holder hereof may designate, in lawful money of the
United States of America and in immediately available funds, the principal sum
of $4,000,000.00, or so much thereof as may be advanced and be outstanding, with
interest thereon, to be computed on each advance from the date of its
disbursement as set forth herein.

1      DEFINITIONS:

       As used herein, the following terms shall have the meanings set forth
after each, and any other term defined in this Note shall have the meaning set
forth at the place defined:

1.1 "Business Day" means any day except a Saturday, Sunday or any other day on
which commercial banks in California are authorized or required by law to close.

1.2 "Fixed Rate Term" means a period commencing on a Business Day and continuing
for 1, 2, 3 or 6 months, as designated by Borrower, during which all or a
portion of the outstanding principal balance of this Note bears interest
determined in relation to LlBOR; provided however, that no Fixed Rate Term may
be selected for a principal amount less than $100,000.00; and provided further,
that no Fixed Rate Term shall extend beyond the scheduled maturity date hereof.
If any Fixed Rate Term would end on a day which is not a Business Day, then such
Fixed Rate Term shall be extended to the next succeeding Business Day.

1.3 "LIBOR" means the rate per annum (rounded upward, if necessary, to the
nearest whole 118 of 1 %) determined by dividing Base LlBOR by a percentage
equal to 100% less any LlBOR Reserve Percentage.

       (a) "Base LIBOR" means the rate per annum for United States dollar
       deposits quoted by Bank as the Inter-Bank Market Offered Rate, with the
       understanding that such rate is quoted by Bank for the purpose of
       calculating effective rates of interest for loans making reference
       thereto, on the first day of a Fixed Rate Term for delivery of funds on
       said date for a period of time approximately equal to the number of days
       in such Fixed Rate Term and in an amount approximately equal to the
       principal amount to which such Fixed Rate Term applies. Borrower
       understands and agrees that Bank may base its quotation of the Inter-Bank
       Market Offered Rate upon such offers or other market indicators of the
       Inter-Bank Market as Bank in its discretion deems appropriate including,
       but not limited to, the rate offered for U.S. dollar deposits on the
       London Inter-Bank Market.

       (b) "LIBOR Reserve Percentage" means the reserve percentage prescribed by
       the Board of Governors of the Federal Reserve System (or any successor)
       for "Eurocurrency Liabilities" (as defined in Regulation D of the Federal
       Reserve Board, as amended), adjusted by Bank for expected changes in such
       reserve percentage during the applicable Fixed Rate Term.

1.4 "Prime Rate" means at any time the rate of interest most recently announced
within Bank at its principal office as its Prime Rate, with the understanding
that the Prime Rate is one of Bank's base rates and serves as the basis upon
which effective rates of interest are calculated for those loans making
reference thereto, and is evidenced by the recording thereof after its
announcement in such internal publication or publications as Bank may designate.

                                    Page 3-
<PAGE>

2.     INTEREST:

2.1 Interest. The outstanding principal balance of this Note shall bear interest
(computed on the basis of a 360-day year, actual days elapsed) either (a) at a
fluctuating rate per annum .50000% below the Prime Rate in effect from time to
time, or (b) at a fixed rate per annum determined by Bank to be 1.25000% above
LlBOR in effect on the first day of the applicable Fixed Rate Term. When
interest is determined in relation to the Prime Rate, each change in the rate of
interest hereunder shall become effective on the date each Prime Rate change is
announced within Bank. With respect to each LlBOR selection option selected
hereunder, Bank is hereby authorized to note the date, principal amount,
interest rate and Fixed Rate Term applicable thereto and any payments made
thereon on Bank's books and records (either manually or by electronic entry)
and/or on any schedule attached to this Note, which notations shall be prima
facie evidence of the accuracy of the information noted.

2.2 Selection of Interest Rate Options. At any time any portion of this Note
bears interest determined in relation to LIBOR, it may be continued by Borrower
at the end of the Fixed Rate Term applicable thereto so that all or a portion
thereof bears interest determined in relation to the Prime Rate or to LlBOR for
a new Fixed Rate Term designated by Borrower. At any time any portion of this
Note bears interest determined in relation to the Prime Rate, Borrower may
convert all or a portion thereof so that it bears interest determined in
relation to LlBOR for a Fixed Rate Term designated by Borrower. At such time as
Borrower requests an advance hereunder or wishes to select a LlBOR option for
all or a portion of the outstanding principal balance hereof, and at the end of
each Fixed Rate Term, Borrower shall give Bank notice specifying: (a) the
interest rate option selected by Borrower; (b) the principal amount subject
thereto; and (c) for each LlBOR selection, the length of the applicable Fixed
Rate Term. Any such notice may be given by telephone (or such other electronic
method as Bank may permit) so long as, with respect to each LIBOR selection, (i)
if requested by Bank, Borrower provides to Bank written confirmation thereof not
later than 3 Business Days after such notice is given, and (ii) such notice is
given to Bank prior to 10:00 a.m. on the first day of the Fixed Rate Term, or at
a later time during any Business Day if Bank, at it's sole option but without
obligation to do so, accepts Borrower's notice and quotes a fixed rate to
Borrower. If Borrower does not immediately accept a fixed rate when quoted by
Bank, the quoted rate shall expire and any subsequent LlBOR request from
Borrower shall be subject to a redetermination by Bank of the applicable fixed
rate. If no specific designation of interest is made at the time any advance is
requested hereunder or at the end of any Fixed Rate Term, Borrower shall be
deemed to have made a Prime Rate interest selection for such advance or the
principal amount to which such Fixed Rate Term applied.

2.3 Taxes and Regulatory Costs. Borrower shall pay to Bank immediately upon
demand, in addition to any other amounts due or to become due hereunder, any and
all (a) withholdings, interest equalization taxes, stamp taxes or other taxes
(except income and franchise taxes) imposed by any domestic or foreign
governmental authority and related in any manner to LlBOR, and (b) future,
supplemental, emergency or other changes in the LlBOR Reserve Percentage,
assessment rates imposed by the Federal Deposit Insurance Corporation, or
similar requirements or costs imposed by any domestic or foreign governmental
authority or resulting from compliance by Bank with any request or directive
(whether or not having the force of law) from any central bank or other
governmental authority and reiated in any manner to LlBOR to the extent they are
not included in the calculation of LlBOR. In determining which of the foregoing
are attributable to any LlBOR option available to Borrower hereunder, any
reasonable allocation made by Bank among its operations shall be conclusive and
binding upon Borrower.

2.4 Payment of Interest. Interest accrued on this Note shall be payable on the
1st day of each month, commencing October 1, 2004.

2.5 Default Interest. From and after the maturity date of this Note, or such
earlier date as all principal owing hereunder becomes due and payable by
acceleration or otherwise, the outstanding principal balance of this Note shall
bear interest until paid in full at an increased rate per annum (computed on the
basis of a 360-day year, actual days elapsed) equal to 4% above the rate of
interest from time to time applicable to this Note.

                                    Page 4-
<PAGE>

3. BORROWING AND REPAYMENT:

3.1 Borrowing and Repayment. Borrower may from time to time during the term of
this Note borrow, partially or wholly repay its outstanding borrowings, and
reborrow, subject to all of the limitations, terms and conditions of this Note
and of any document executed in connection with or governing this Note; provided
however, that the total outstanding borrowings under this Note shall not at any
time exceed the principal amount stated above. The unpaid principal balance of
this obligation at any time shall be the total amounts advanced hereunder by the
holder hereof less the amount of principal payments made hereon by or for any
Borrower, which balance may be endorsed hereon from time to time by the holder.
The outstanding principal balance of this Note shall be due and payable in full
on September 1, 2006.

3.2 Advances. Advances hereunder, to the total amount of the principal sum
available hereunder, may be made by the holder at the oral or written request of
(a) Warren Pinckert, anyone acting alone, who are authorized to request advances
and direct the disposition of any advances until written notice of the
revocation of such authority is received by the holder at the office designated
above, or (b) any person, with respect to advances deposited to the credit of
any deposit account of any Borrower, which advances, when so deposited, shall be
conclusively presumed to have been made to or for the benefit of each Borrower
regardless of the fact that persons other than those authorized to request
advances may have authority to draw against such account. The holder shall have
no obligation to determine whether any person requesting an advance is or has
been authorized by any Borrower.

3.3 Application of Payments. Each payment made on this Note shall be credited
first, to any interest then due and second, to the outstanding principal balance
hereof. All payments credited to principal shall be applied first, to the
outstanding principal balance of this Note which bears interest determined in
relation to the Prime Rate, if any, and second, to the outstanding principal
balance of this Note which bears interest determined in relation to LlBOR, with
such payments applied to the oldest Fixed Rate Term first.

4.     PREPAYMENT:

4.1 Prime Rate. Borrower may prepay principal on any portion of this Note which
bears interest determined in relation to the Prime Rate at any time, in any
amount and without penalty.

4.2 LIBOR. Borrower may prepay principal on any portion of this Note which bears
interest determined in relation to LlBOR at any time and in the minimum amount
of $100,000.00; provided however, that if the outstanding principal balance of
such portion of this Note is less than said amount, the minimum prepayment
amount shall be the entire outstanding principal balance thereof. In
consideration of Bank providing this prepayment option to Borrower, or if any
such portion of this Note shall become due and payable at any time prior to the
last day of the Fixed Rate Term applicable thereto by acceleration or otherwise,
Borrower shall pay to Bank immediately upon demand a fee which is the sum of the
discounted monthly differences for each month from the month of prepayment
through the month in which such Fixed Rate Term matures, calculated as follows
for each such month:

       (a) Determine the amount of interest which would have accrued each month
       on the amount prepaid at the interest rate applicable to such amount had
       it remained outstanding until the last day of the Fixed Rate Term
       applicable thereto.

       (b) Subtract from the amount determined in (a) above the amount of
       interest which would have accrued for the same month on the amount
       prepaid for the remaining term of such Fixed Rate Term at LlBOR in effect
       on the date of prepayment for new loans made for such term and in a
       principal amount equal to the amount prepaid.

       (c) If the result obtained in (b) for any month is greater than zero,
       discount that difference by LIBOR used in (b) above.

                                    Page 5-
<PAGE>

-Each Borrower acknowledges that prepayment of such amount may result in Bank
incurring additional costs, expenses and/or liabilities, and that it is
difficult to ascertain the full extent of such costs, expenses and/or i;
liabilities. Each Borrower, therefore, agrees to pay the above-described
prepayment fee and agrees that said amount represents a reasonable estimate of
the prepayment costs, expenses and/or liabilities of Bank. If Borrower fails to
pay any prepayment fee when due, the amount of such prepayment fee shall
thereafter bear interest until paid at a rate per annum 2.000% above the Prime
Rate in effect from time to time (computed 0.; the basis of a 360-day year,
actual days elapsed). Each change in the rate of interest on any such past due
prepayment fee shall become effective on the date each Prime Rate change is
announced within Bank.

5.     EVENTS OF DEFAULT:

       The occurrence of any of the following shall constitute an "Event of
Default" under this Note:

5.1 The failure to pay any principal, interest, fees or other charges when due
hereunder or under any contract, instrument or document executed in connection
with this Note.

5.2 The filing of a petition by or against any Borrower, any guarantor of this
Note or any general partner or joint venturer in any Borrower which is a
partnership or a joint venture (with each such guarantor, general partner and/or
joint venturer referred to herein as a "Third Party Obligor") under any
provisions of the Bankruptcy Reform Act, Title 11 of the United States Code, as
amended or recodified from time to time, or under any similar or other law
relating to bankruptcy, insolvency, reorganization or other relief for debtors;
the appointment of a receiver, trustee, custodian or liquidator of or for any
part of the assets or property of any Borrower or Third Party Obligor; any
Borrower or Third Party Obligor becomes insolvent, makes a general assignment
for the benefit of creditors or is generally not paying its debts as they become
due; or any attachment or like levy on any property of any Borrower or Third
Party Obligor .

5.3 The death or incapacity of any individual Borrower or Third Party Obligor,
or the dissolution or liquidation of any Borrower or Third Party Obligor which
is a corporation, partnership, joint venture or other type of entity.

5.4 Any default in the payment or performance of any obligation, or any defined
event of default, under any provisions of any contract, instrument or document
pursuant to which any Borrower or Third Party Obligor has incurred any
obligation for borrowed money, any purchase obligation, or any other liability
of any kind to any person or entity, including the holder .

5.5 Any financial statement provided by any Borrower or Third Party Obligor to
Bank proves to be incorrect, false or misleading in any material respect.

5.6 Any sale or transfer of all or a substantial or material part of the assets
of any Borrower or Third Party Obligor other than in the ordinary course of its
business.

5.7 Any violation or breach of any provision of, or any defined event of default
under, any addendum to this Note or any loan agreement, guaranty, security
agreement, deed of trust, mortgage or other document executed in connection with
or securing this Note.

6.     MISCELLANEOUS:

6.1 Remedies. Upon the occurrence of any Event of Default, the holder of this
Note, at the holder's option, may declare all sums of principal and interest
outstanding hereunder to be immediately due and payable without presentment,
demand, notice of nonperformance, notice of protest, protest or notice of
dishonor, all of which are expressly waived by each Borrower, and the
obligation, if any, of the holder to extend any further credit hereunder shall
immediately cease and terminate. Each Borrower shall pay to the holder
immediately upon demand the full amount of all payments, advances, charges,
costs and expenses, including reasonable attorneys'

                                    Page 6-
<PAGE>

fees (to include outside counsel fees and all allocated costs of the holder's
in-house counsel), expended or incurred by the holder in connection with the
enforcement of the holder's rights and/or the collection of any amounts which
become due to the holder under this Note, and the prosecution or defense of any
action in any way related to this Note, including without limitation, any action
for declaratory relief, whether incurred at the trial or appellate level, in an
arbitration proceeding or otherwise, and including any of the foregoing incurred
in connection with any bankruptcy proceeding (including without limitation, any
adversary proceeding, contested matter or motion brought by Bank or any other
person) relating to any Borrower or any other person or entity.

6.2 Obligations Joint and Several. Should more than one person or entity sign
this Note as a Borrower, the obligations of each such Borrower shall be joint
and several.

6.3 Governing Law. This Note shall be governed by and construed in accordance
with the laws of the State of California.

IN WITNESS WHERE OF, the undersigned has executed this Note as of the date first
written above.

Cholestech Corporation

By: /s/ Warren E. Pinckert II
    --------------------------------

Title: PRESIDENT, CEO

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