Document:

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                                                                   EXHIBIT 10.17

NEITHER THIS NOTE NOR ANY SECURITIES WHICH MAY BE ISSUED UPON CONVERSION HEREOF
HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR REGISTERED
OR OTHERWISE QUALIFIED UNDER ANY STATE SECURITIES LAW. NEITHER THIS NOTE NOR ANY
SUCH SECURITIES MAY BE SOLD OR OFFERED FOR SALE IN THE ABSENCE OF AN EFFECTIVE
REGISTRATION STATEMENT UNDER SAID ACT AND REGISTRATION OR OTHER QUALIFICATION
UNDER ANY APPLICABLE STATE SECURITIES LAWS, OR AN OPINION OF COUNSEL
SATISFACTORY TO THE COMPANY THAT SUCH REGISTRATION OR OTHER QUALIFICATION IS NOT
REQUIRED.

                                 DOVEBID, INC.
                                 -------------

                   CONVERTIBLE SUBORDINATED PROMISSORY NOTE
                   ----------------------------------------

$500,000.00                                                    February 29, 2000

          DoveBid, Inc., a Delaware corporation (the "Company"), with offices at
1241 East Hillsdale Blvd., Foster City, CA 94404, for value received, promises
to pay to the order of James Gardner ("Payee") at such address as Payee may
designate, Five Hundred Thousand Dollars ($500,000.00), plus simple interest
thereon calculated from the date hereof until paid at the annual rate of 7.0%,
compounded annually.  Principal and accrued interest will be due and payable in
lawful money of the United States in full on February 28, 2002 (the "Maturity
Date"), unless this Note shall have been previously converted pursuant to
Section 2 below, in which case all outstanding principal under this Note and all
accrued interest thereon shall be satisfied in full by virtue of such conversion
and the issuance and delivery of fully paid and non-assessable shares of
Conversion Stock to the holder of this Note as set forth in Section 2 below.
Payments by the Company shall be applied first to any and all accrued interest
through the payment date and second to the principal remaining due hereunder.

          The following is a statement of the rights of the holder of this Note
and the conditions to which this Note is subject, and to which the holder
hereof, by the acceptance of this Note, agrees:

          1.  Definitions.  As used in this Note, the following terms, unless
              -----------
the context otherwise requires, have the following meanings:

              1.1  "Company" includes any corporation or other entity which
succeeds to or assume the obligations of the Company under this Note.

              1.2  "Conversion Stock" shall mean shares of Common Stock of the
Company.

              1.3  "Conversion Price" shall mean the price per share that is the
exact middle of the price range stated in the Company's final amended
registration statement on Form

                                       1

<PAGE>

S-1, Form SB-1 or a similar successor form pertaining to an Initial Public
Offering that closes on before the Maturity Date. No conversion shall occur and
there is therefore no Conversion Price with respect to an Initial Public
Offering that closes after the Maturity Date.

              1.4  "Noteholder," "holder," or similar terms, when the context
refers to a holder of this Note, shall mean any person who shall at the time be
the registered holder of this Note.

              1.5 "Initial Public Offering" shall mean the closing of a sale of
Common Stock pursuant to a registration statement on Form S-1, Form SB-1 or SB-2
(or any similar or successor form) under the Securities Act of 1933, as amended,
for an underwritten initial public offering.

              1.6  "Subordination Agreement" shall mean the Subordination
Agreement attached hereto as Annex A and incorporated by reference herein.
                             -------

          2.  Conversion.
              ----------

               2.1  Mandatory Conversion. Notwithstanding anything regarding the
                    --------------------
subordinated nature of this Note, this Note and all of the outstanding principal
and accrued and unpaid interest on and under this Note shall be converted into
Conversion Stock at the Conversion Price immediately prior to the first closing
of an Initial Public Offering before the Maturity Date. For informational
purposes, the Company shall provide the Noteholder with written notice (at the
most recent address for the Noteholder provided to the Company by the Noteholder
in writing) (i) within seven (7) days after it files with the Securities and
Exchange Commission any registration statement on Form S-1, Form SB-1 or Form
SB-2 (or any similar or successor form) for an Initial Public Offering, and (ii)
reasonably promptly following the closing of an Initial Public Offering.
Conversion as described in this Section 2.1 shall occur only upon the closing of
an Initial Public Offering, provided that (i) upon the closing of an Initial
Public Offering, the conversion shall be deemed to have occurred immediately
prior to the first closing of such Initial Public Offering, and (ii) as a
condition precedent or condition subsequent to conversion (the election between
which type of condition shall be the Company's sole election in the Company's
sole discretion), the Noteholder must surrender this Note for conversion at the
principal office of the Company. Incident to any conversion, the Conversion
Stock will have those rights and privileges, and be subject to those
restrictions, of the shares of Common Stock as set forth in the Company's
Certificate of Incorporation, and the Noteholder will receive the rights and be
subject to the obligations applicable to the purchasers of Common Stock,
provided that the sale restriction specified in Section 2.5 below shall apply to
the Conversion Stock. This Note shall not be convertible and shall not be
converted into Conversion Stock if there is not an Initial Public Offering on or
before the Maturity Date.

              2.2  No Fractional Shares.  No fractional shares will be issued on
                   --------------------
conversion of this Note.  If on any conversion of this Note a fraction of a
share results, the Company will pay the cash value of that fractional share,
calculated on the basis of the applicable Conversion Price.

                                       2

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              2.3  Reservation of Stock.  Prior to any conversion of this Note
                   --------------------
pursuant to Section 2.1 above, the Company will take such corporate action and
obtain such government consents and approvals as may, in the reasonable opinion
of its counsel, be necessary to authorize the issuance of a sufficient number of
shares of Conversion Stock into which this Note is to convert pursuant to
Section 2.1 above.

              2.4  Fully Paid Shares; Certificates. All shares of Conversion
                   -------------------------------
Stock issued upon the conversion of this Note shall be validly issued, fully
paid and non-assessable. The certificates representing the shares of Conversion
Stock issued upon conversion hereof shall be delivered to the holder against
surrender of this Note. The holder, by accepting this Note, undertakes and
agrees to accept such shares of Conversion Stock in full satisfaction of the
outstanding principal and accrued interest thereon in accordance with the terms
of this Note. Anything to the contrary in this Note notwithstanding, the
Company's obligation to issue shares of Conversion Stock to any holder of this
Note is expressly conditioned upon compliance of such issuance with applicable
federal and state securities laws without registration or other qualification
thereunder.

              2.5  Restriction on Sale. Upon and following any conversion
                   -------------------
pursuant to this Section 2, no holder of any Conversion Stock shall effect any
sale or distribution of any of the Conversion Stock (which shall include any and
all voting securities received by such holder as or in connection with a stock
dividend, stock split or other recapitalization or similar distribution on or in
respect of the Conversion Stock) or any of the Company's other equity
securities, or of any securities convertible into or exchangeable for such
securities, during the period beginning on the closing of the Initial Public
Offering and ending 180 days after such closing. The certificate(s) representing
the shares of Conversion Stock issued upon the conversion of this Note shall be
legended to reflect such restriction on sale.

               2.6  No Rights or Liabilities as Shareholder. This Note does not
                    ---------------------------------------
by itself entitle the Noteholder to any voting rights or other rights as a
shareholder of the Company. In the absence of conversion of this Note, no
provisions of this Note, and no enumeration herein of the rights or privileges
of the holder shall cause such holder to be a shareholder of the Company for any
purpose by virtue hereof.

              2.7  No Other Conversion. The conversion described in this Section
                   -------------------
2 shall constitute the sole methods by which this Note will convert.

          3.  Subordination.  This Note and the indebtedness evidence by this
              -------------
Note are subordinated to the prior payment in full of all or substantially all
other indebtedness of the Company pursuant to the terms of a Subordination
Agreement in the form attached hereto as Annex A and incorporated herein by
                                         -------
reference.

          4.  Usury Savings Clause.  The Company and the Noteholder intend to
              --------------------
comply at all times with applicable usury laws.  If at any time such laws would
render usurious any amounts due under this Note under applicable law, then it is
the Company's and the Noteholder's express intention that the Company not be
required to pay interest on this Note at a rate in excess of the maximum lawful
rate, that the provisions of this Section 5 shall control over all other
provisions of this Note which may be in apparent conflict hereunder, that such
excess

                                       3

<PAGE>

amount shall be immediately credited to the principal balance of this
Note (or, if this Note has been fully paid, refunded by the Noteholder to the
Company), and the provisions hereof shall immediately be reformed and the
amounts thereafter decreased, so as to comply with the then applicable usury
law, but so as to permit the recovery of the fullest amount otherwise due under
this Note.

          5.  General Provisions.
              ------------------

              5.1  Notices.  All notices and other communications required or
                   -------
permitted hereunder shall be effective upon receipt (or refusal of receipt) and
shall be in writing and delivered by a nationally-recognized overnight courier
service or by depositing the same in United States mail, addressed to the party
to be notified, postage prepaid and registered or certified with return receipt
requested, by delivering the same in person to such party or to an officer or
agent of such party, as follows:

                   (i)   If mailed or delivered to the Company, to each of the
following, using two separate mailings or deliveries:

                         DoveBid, Inc.
                         1241 East Hillsdale Blvd.
                         Foster City, CA 94404
                         Attn: Cory Ravid, Chief Financial Officer

                         DoveBid, Inc.
                         1241 East Hillsdale Blvd.
                         Foster City, CA 94404
                         Attn: Anthony Capobianco, General Counsel

                   (ii)  If mailed or delivered to the Payee, addressed to him
at the following address:

          or to such other address as any party hereto shall specify in writing
to the other parties hereto pursuant to this Section 5.1 from time to time. Such
notice shall be effective only upon actual receipt.

              5.2  Severability; Headings. In case any provision of this Note
                   ----------------------
shall be invalid, illegal or unenforceable, the validity, legality and
enforceability of the remaining provisions shall not in any way be affected or
impaired thereby, unless to do so would deprive the Noteholder or the Company of
a substantial part of its bargain. All headings used herein are used for
convenience only and shall not be used to construe or interpret this Note.

              5.3  Noteholder Representations and Status. By accepting this
                   -------------------------------------
Note, the Payee and any other Noteholder each acknowledges, represents and
warrants that the representations and warranties set forth in Section 2.21 of
that certain Membership Interest Purchase Agreement among the Company, Greenwich
Industrial Services LLC, a Connecticut

                                       4

<PAGE>

limited liability company ("GIC"), Payee and each of the other members of GIC
are true and correct as of the date of this Note.

              5.4  Assignment.  Except as provided in the next two sentences,
                   ----------
neither this Note nor any right hereunder may be assigned by the Noteholder
without the prior written consent of the Company, which may be granted or
withheld in the Company's sole discretion. Notwithstanding the immediately prior
sentence, Noteholder may assign the Note and the Subordination Agreement to any
trust, corporation, partnership or other entity in which Noteholder holds all of
the voting power and equity or due to death and in accordance with the laws of
wills, succession and intestacy (provided in each case that such transferee
executes an agreement pursuant to which such transferee agrees to be bound by
the terms of the Note and the Subordination Agreement, such agreement to be in
form and substance reasonably satisfactory to the Company).  Notwithstanding the
first sentence of this Section 5.4, the Company may not assign any of its rights
or obligations hereunder, except that the Company may assign its rights and
obligations hereunder in connection with a merger, consolidation or sale of all
or substantially all of the Company's assets or in connection with a
reincorporation, reorganization or other corporate recapitalization, provided
that the acquiring or surviving corporation or entity agrees to assume all of
the Company's obligations under this Note and that such acquiring or surviving
corporation or entity has a market capitalization or net assets in excess of
$75.0 million at the time of such assignment. This Note will be binding upon and
inure to the benefit of the parties hereto and their respective successors and
permitted assigns.

              5.5  Entire Agreement; Changes. This Note, and the Agreement and
                   -------------------------
Plan of Merger executed by Payee in connection with the issuance of this Note,
contains the entire agreement between the parties hereto superseding and
replacing any prior agreement or understanding relating to the subject matter
hereof. Neither this Note nor any term hereof may be changed, waived, discharged
or terminated orally but only by an instrument in writing signed by the party
against which enforcement of the change, waiver, discharge or termination is
sought.

                                       5

<PAGE>

              5.6  Law Governing.  This Note shall be construed and enforced in
                   -------------
accordance with, and governed by, the internal laws of the State of California,
excluding that body of law applicable to conflicts of law.

          IN WITNESS WHEREOF, each party has caused this Note to be executed as
of the date set forth above.

                              THE COMPANY:

                              DOVEBID, INC.

                              By:      /s/ Anthony Capobianco
                                 -----------------------------------
                              Its: Vice President and General Counsel
                                  -----------------------------------
Acknowledged and Agreed to:

PAYEE:
    /s/ James Gardner
----------------------------
Name:  James Gardner

                                       6<PAGE>

                                                                   EXHIBIT 10.18

                                  DOVEBID, INC.

                            AMENDMENT TO CONVERTIBLE
                          SUBORDINATED PROMISSORY NOTE

     This Amendment is entered into as of June 25, 2001, by and between James
Gardner ("Payee") and DoveBid, Inc., a Delaware corporation (the "Company").
This Amendment amends the terms and conditions of that certain Convertible
Subordinated Promissory Note issued by the Company to Payee on February 29, 2000
in the principal amount of $500,000 (the "Note").

     Whereas, Payee and the Company desire to amend the Note on the terms and
conditions set forth below;

     Now, therefore, in consideration of the foregoing and for other good and
valuable consideration (receipt and sufficiency of which is mutually
acknowledged), the parties agree as follows:

     1.   Extension of Term. The first and second sentences of the Note are
hereby amended to read as follows.

     "DoveBid, Inc., a Delaware corporation (the "Company"), with offices at
     1241 East Hillsdale Blvd., Foster City, CA 94404, for value received,
     promises to pay to the order of James Gardner ("Payee") at such address as
     Payee may designate in writing, Five Hundred Thousand Dollars
     ($500,000.00), plus simple interest thereon calculated from the date hereof
     until paid at the annual rate that shall equal: (i) 7.0%, compounded
     annually from February 29, 2000 until March 31, 2001, and (ii) 8.0%,
     compounded annually, from and after April 1, 2001. Principal in the amount
     of $125,000 and accrued interest on that portion of the principal will be
     due and payable in lawful money of the United States in full on February
     28, 2002, principal in the amount of $125,000 and accrued interest on that
     portion of the principal will be due and payable in lawful money of the
     United States in full on August 31, 2002, and principal in the amount of
     $250,000 and accrued interest on that portion of the principal will be due
     and payable in lawful money of the United States in full on February 28,
     2004, in each case unless such principal and/or accrued interest shall have
     been previously converted pursuant to Section 2 below, in which case the
     portion of the outstanding principal under this Note that was converted and
     all accrued but unpaid interest thereon shall be satisfied in full by
     virtue of such conversion and the issuance and delivery of fully paid and
     non-assessable shares of Conversion Stock to the holder of this Note as set
     forth in Section 2 below. Notwithstanding the foregoing, the Optional
     Convertible Debt (as defined below) shall be immediately due and payable in
     lawful money of the United States in full upon (a) the sale, conveyance,
     lease, transfer or other disposition of all or substantially all of the
     assets of the Company to an acquirer which is not a reporting company under
     Section 13 or 15 of the Securities Exchange Act of 1934, as amended ("a
     Private Company"), or (b) the sale by the stockholders of the Company of
     the beneficial ownership (as defined in Section 13 of the Securities
     Exchange Act of 1934) of a majority of the outstanding voting securities of
     the Company to one or more related Private Companies, in a single

<PAGE>

     transaction or in a series of related transactions (other than open market
     purchases) which occurs prior to the Maturity Date."

      2.   Definitions.

           2.1   Definition of Optional Conversion Debt. A new definition is
hereby added to the Note as Section 1.7 to read as follows: " `Optional
Convertible Debt' shall mean $125,000 of the principal amount of this Note, and
all of the accrued but unpaid interest on such portion of this Note."

           2.2   Definition of Mandatory Convertible Debt. A new definition is
hereby added to the Note as Section 1.8 to read as follows: " `Mandatory
Convertible Debt" shall mean all of the principal amount of this Note and all of
the accrued but unpaid interest on this Note, as reduced by any conversion
pursuant to Section 2.2 of this Note."

           2.3   Definition of Conversion Stock. Section 1.2 of the Note is
hereby amended to read as follows: " `Conversion Stock' shall mean shares of
Common Stock of the Company, with respect to conversion of the Optional
Convertible Debt, and shall mean Common Stock of the Company of the same class
of common stock that is registered by the Company pursuant to an Initial Public
Offering, with respect to conversion of the Mandatory Convertible Debt. With
respect to Optional Convertible Debt, if the outstanding Common Stock of the
Company shall hereafter be changed through a reorganization or recapitalization
into shares of a different series or class of the Company's capital stock, the
Conversion Stock shall thereafter mean the shares into which the Common Stock
was changed."

           2.4   Definition of Conversion Price. Section 1.3 of the Note is
hereby amended to read as follows: "The `Conversion Price' for Optional
Convertible Debt shall mean $8.01 per share of Conversion Stock (the "Per Share
Price"), as appropriately adjusted to reflect the effect of stock splits and
combinations, stock dividends, recapitalizations and reorganizations of or on
the Conversion Stock after the Amendment Date; provided, however, that the
"Conversion Price" for Optional Convertible Debt shall mean $6.675 per share of
Conversion Stock, as appropriately adjusted to reflect the effect of stock
splits and combinations, stock dividends, recapitalizations and reorganizations
of or on the Conversion Stock after the Amendment Date, if following the
Amendment Date the Company closes its next round of private preferred stock
financing at a purchase price that is less than the Per Share Price (as
appropriately adjusted to reflect the effect of stock splits and combinations,
stock dividends, recapitalizations and reorganizations of or on the Conversion
Stock after the Amendment Date. As used in this Note, the "Amendment Date" shall
mean June 25, 2001. For Mandatory Convertible Debt, the `Conversion Price' shall
mean the price per share that is the exact middle of the price range stated in
the Company's final amended registration statement on Form S-1, Form SB-1, Form
SB-2 or a similar successor form pertaining to an Initial Public Offering that
closes on or before February 28, 2004 (the "Maturity Date"). No conversion shall
occur and there is therefore no Conversion Price with respect to an Initial
Public Offering that closes after the Maturity Date."

     3.   Conversion. Section 2 of the Note is hereby amended to read as
follows:

                                       2

<PAGE>

          "2.1  Mandatory Conversion. This Note and all of the outstanding
     Mandatory Convertible Debt shall be converted into Conversion Stock at the
     Conversion Price immediately prior to the first closing of an Initial
     Public Offering before the Maturity Date. For informational purposes, the
     Company shall provide the Noteholder with written notice (at the most
     recent address for the Noteholder provided to the Company by the Noteholder
     in writing) (i) within seven days after it files with the Securities and
     Exchange Commission any registration statement on Form S-1, Form SB-1 or
     Form SB-2 (or any similar or successor form) for an Initial Public
     Offering, and (ii) reasonably promptly following the closing of an Initial
     Public Offering. Conversion as described in this Section 2.1 shall occur
     only upon the closing of an Initial Public Offering, provided that (i) upon
     the closing of an Initial Public Offering, the conversion shall be deemed
     to have occurred immediately prior to the first closing of such Initial
     Public Offering, and (ii) as a condition precedent or condition subsequent
     to conversion (the election between which type of condition shall be the
     Company's sole election in the Company's sole discretion), the Noteholder
     must surrender this Note for conversion at the principal office of the
     Company. Incident to any conversion, the Conversion Stock will have those
     rights and privileges, and be subject to those restrictions, of the shares
     of Common Stock as set forth in the Company's Certificate of Incorporation,
     and the Noteholder will receive the rights and be subject to the
     obligations applicable to the purchasers of Common Stock, provided that the
     sale restriction specified in Section 2.6 below shall apply to the
     Conversion Stock. This Note shall not be convertible pursuant to this
     Section 2.1 and shall not be converted into Conversion Stock under this
     Section 2.1 if there is not an Initial Public Offering on or before the
     Maturity Date.

          2.2   Optional Conversion.

                2.2.1  If not previously converted pursuant to Section 2.1
     above, all of the outstanding Optional Convertible Debt may be converted,
     at any time prior to the Maturity Date, into Conversion Stock at the
     Conversion Price in the sole discretion of the Company. To elect to convert
     the Optional Convertible Debt, the Company shall send written notice of its
     election to the Noteholder prior to the Maturity Date. Noteholder will
     thereafter deliver the original Note to the Company at the Company's
     principal office for reissunce to reflect the conversion of the Optional
     Convertible Debt. Incident to any conversion, the Conversion Stock will
     have those rights and privileges, and be subject to those restrictions, of
     the shares of Conversion Stock as set forth in the Company's Certificate of
     Incorporation, and the Noteholder will receive the rights and be subject to
     the obligations applicable to the purchasers of Conversion Stock, provided
     that the sale restriction specified in Section 2.6 below shall apply to the
     Conversion Stock. If the unpaid principal and accrued but unpaid interest
     on this Note exceed the amount of the Optional Convertible Debt at the time
     of conversion pursuant to this Section 2.2, then the amount of the Optional
     Convertible Debt shall be applied to reduce the principal and interest
     thereafter due under this Note in the

                                       3

<PAGE>

     order such amounts would otherwise become due and payable hereunder;
     provided, however, that if such Optional Conversion occurs before August
     31, 2002, it shall not affect the either of the first two payments
     described in the first paragraph above. Accordingly, the first two payments
     described in the paragraph above shall remain the same as currently
     contemplated but, in the event that Optional Conversion occurs after either
     of such payments, more of the payments shall be deemed to constitute
     repayment of principal to account for the reduction in interest that the
     Optional Conversion will have created. If the Company fails to deliver the
     written notice provided for in this Section 2.2 prior to the Maturity Date,
     the conversion right of the Company that is set forth in this Section 2.2
     shall terminate on the Maturity Date.

                2.2.2  In the event of any conversion pursuant to this Section
     2.2 prior to February 28, 2002, the Company shall pay to Noteholder, in
     cash, an amount equal to the lesser of (a) an amount sufficient to cover
     the United States state and federal capital gains tax imposed on Noteholder
     as a result of the receipt of such Conversion Stock and this Tax Payment
     (as defined below) based on a 35% presumed tax rate or (b) an amount equal
     to the outstanding principal and accrued but unpaid interest then
     represented by this Note (the "Tax Payment"). The amount paid by the
     Company shall be offset first against any accrued but unpaid interest due
     hereunder and then against the outstanding principal amount of this Note.
     The Tax Payment shall be made by the Company not earlier than 10 days prior
     to the time Noteholder's capital gains tax must be paid in connection with
     conversion of this Note as provided in this Section 2.2.

          2.3   No Fractional Shares. No fractional shares will be issued on
     conversion of this Note. If on any conversion of this Note a fraction of a
     share results, the Company will pay the cash value of that fractional
     share, calculated on the basis of the applicable Conversion Price.

          2.4   Reservation of Stock. Prior to any conversion of this Note
     pursuant to this Section 2 above, the Company will take such corporate
     action and obtain such government consents and approvals as may, in the
     reasonable opinion of its counsel, be necessary to authorize the issuance
     of a sufficient number of shares of Conversion Stock into which this Note
     is to convert.

          2.5   Fully Paid Shares; Certificates. All shares of Conversion Stock
     issued upon the conversion of this Note shall be validly issued, fully paid
     and non-assessable. The certificates representing the shares of Conversion
     Stock issued upon conversion hereof shall be delivered to the holder
     against surrender of this Note upon Mandatory Conversion of this Note
     pursuant to Section 2.1 hereof or upon Optional Conversion pursuant to
     Section 2.2 hereof. The holder, by accepting this Note, undertakes and
     agrees to accept such shares of Conversion Stock in full satisfaction of
     the Optional Convertible Debt or of the Mandatory Convertible Debt, as the
     case may be, that is outstanding as of the effective date of conversion in
     accordance with the terms of this Note. Anything to the contrary in this
     Note notwithstanding, the Company's obligation to issue shares of

                                       4

<PAGE>

     Conversion Stock to any holder of this Note and the Noteholder's obligation
     to convert this Note or any portion hereof to Conversion Stock, are both
     expressly conditioned upon compliance of such issuance with applicable
     federal and state securities laws without registration or other
     qualification thereunder. If any Conversion Stock cannot be issued for any
     reason, then the Company will continue to be obligated to pay this Note at
     the times set forth herein.

          2.6   Restriction on Sale. Upon and following any conversion pursuant
     to this Section 2 if such conversion is in connection with an Initial
     Public Offering, no holder of any Conversion Stock shall effect any sale or
     distribution of any of the Conversion Stock (which shall include any and
     all voting securities received by such holder as or in connection with a
     stock dividend, stock split or other recapitalization or similar
     distribution on or in respect of the Conversion Stock) or any of the
     Company's other equity securities, or of any securities convertible into or
     exchangeable for such securities, during the period beginning on the
     closing of the Initial Public Offering and ending 180 days after such
     closing. The certificate(s) representing the shares of Conversion Stock
     issued upon the conversion of this Note shall be legended to reflect such
     restriction on sale.

          2.7   No Rights or Liabilities as Shareholder. This Note does not by
     itself entitle the Noteholder to any voting rights or other rights as a
     shareholder of the Company. In the absence of conversion of this Note, no
     provisions of this Note, and no enumeration herein of the rights or
     privileges of the holder shall cause such holder to be a shareholder of the
     Company for any purpose by virtue hereof.

          2.8   No Other Conversion. The conversion provisions set forth in this
     Section 2 constitute the sole methods by which this Note will convert."

     4.   Effect of Amendment. This Amendment will be effective as of the date
first set forth above, upon execution of this Amendment by the Company and
Payee. This Amendment may be executed in any number of counterparts, each of
which shall be deemed an original and all of which, taken together, will
constitute one and the same Amendment. Except as expressly provided above, the
terms and conditions of the Note remain in full force and effect, unmodified, as
of the date hereof.

     In Witness Whereof, Payee and the Company have executed this Amendment to
Convertible Subordinated Promissory Note, in the case of the Company by a person
 duly authorized to do so.

THE COMPANY: DOVEBID, INC.                    PAYEE: JAMES GARDNER

By:      /s/ Anthony Capobianco                   /s/ James Gardner
   -------------------------------            ----------------------------------
                                              (Signature of Payee)
Title:   VP and General Counsel
      ----------------------------

                                       5

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