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                                                                   EXHIBIT 10.23

                      SEVENTH AMENDMENT TO CREDIT AGREEMENT

         THIS SEVENTH AMENDMENT TO CREDIT AGREEMENT (this "Amendment") is
entered into as of October 14, 2002, among PMC CAPITAL, INC., a Florida
corporation ("Borrower"), certain Lenders, and BANK ONE, NA, with its main
office in Chicago, Illinois, successor by merger to Bank One, Texas, N.A.
("Administrative Agent").

                             PRELIMINARY STATEMENT:

         Borrower, Administrative Agent and Lenders are party to that certain
Credit Agreement (as renewed, extended, amended and restated, the "Credit
Agreement") dated as of March 22, 2000, pursuant to which the Lenders have made
and may hereafter make loans to Borrower. Borrower, Administrative Agent and
Lenders have agreed to amend the Credit Agreement in order to amend certain
definitions contained therein.

         Accordingly, for adequate and sufficient consideration, the receipt of
which is hereby acknowledged, Borrower, Administrative Agent and Lenders agree
as follows:

1. Defined Terms; References. Unless otherwise stated in this Amendment (a)
terms defined in the Credit Agreement have the same meanings when used in this
Amendment and (b) references to "Sections," "Schedules" and "Exhibits" are to
sections, schedules and exhibits to the Credit Agreement.

2. Amendments.

         (a) The defined term "Delinquency Ratio" in Section 1.1 of the Credit
Agreement is amended in its entirety as follows:

                           "Delinquency Ratio" means, at any time, (i) the
                           aggregate outstanding principal amount of Delinquent
                           Loans owned by the Companies and Special Purpose
                           Entities divided by (ii) the sum of (a) the aggregate
                           outstanding principal amount of Commercial Loans
                           owned by the Companies and Special Purpose Entities,
                           plus (b) assets acquired by the Companies in
                           satisfaction of debt, including any assets acquired
                           through foreclosure, by deed-in-lieu of foreclosure,
                           liquidation or other similar actions or proceedings.

         (b) The defined term "Delinquent Loan" in Section 1.1 of the Credit
Agreement is amended in its entirety as follows:

                                    "Delinquent Loan" means, at any time, the
                           sum of (i) the aggregate unpaid principal amount of
                           Commercial Loans owned by any Company or Special
                           Purpose Entity which are 31 or more days delinquent
                           (whether under the initial payment plan or a modified
                           payment plan established pursuant to a workout), plus
                           (ii) assets acquired in satisfaction of debt,
                           including any assets acquired through foreclosure, by
                           deed-in-lieu of foreclosure, liquidation or other
                           similar actions or proceedings, plus (iii)

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                           Commercial Loans then subject to any legal suit,
                           arbitration proceeding or other similar action or
                           proceeding.

         (c) Section 9.4 of the Credit Agreement is amended in its entirety as
follows:

                                    9.4 Maximum Delinquency Ratio. The
                           Delinquency Ratio shall at all times (but calculated
                           for compliance reporting purposes as of the last day
                           of each fiscal quarter of Borrower) be less than or
                           equal to 10.00%.

3. Conditions Precedent. Notwithstanding any contrary provisions, the foregoing
paragraphs in this Amendment are not effective unless and until (a) the
representations and warranties in this Amendment are true and correct, (b)
Administrative Agent receives counterparts of this Amendment executed by each
party named below.

4. Ratifications. This Amendment modifies and supersedes all inconsistent terms
and provisions of the Credit Documents, and except as expressly modified and
superseded by this Amendment, the Credit Documents are ratified and confirmed
and continue in full force and effect. Borrower, Administrative Agent and
Lenders agree that the Credit Documents, as amended by this Amendment, continue
to be legal, valid, binding and enforceable in accordance with their respective
terms.

5. Representations and Warranties. Borrower hereby represents and warrants to
Administrative Agent and Lenders that (a) this Amendment and any Credit
Documents to be delivered under this Amendment have been duly executed and
delivered by Borrower, (b) no action of, or filing with, any Governmental
Authority is required to authorize, or is otherwise required in connection with,
the execution, delivery, and performance by Borrower of this Amendment and any
Credit Document to be delivered under this Amendment, (c) this Amendment and any
Credit Documents to be delivered under this Amendment are valid and binding upon
Borrower and are enforceable against Borrower in accordance with their
respective terms, except as limited by any applicable Debtor Relief Laws, (d)
the execution, delivery and performance by Borrower of this Amendment and any
Credit Documents to be delivered under this Amendment do not require the consent
of any other Person and do not and will not constitute a violation of any
Governmental Requirements, agreements or understandings to which Borrower is a
party or by which Borrower is bound, (e) the representations and warranties
contained in the Credit Agreement, as amended by this Amendment, and any other
Credit Document are true and correct in all material respects as of the date of
this Amendment, and (f) as of the date of this Amendment, no Event of Default or
Potential Default exists or is imminent.

6. References. All references in the Credit Documents to the "Credit Agreement"
refer to the Credit Agreement as amended by this Amendment. This Amendment is a
"Credit Document" referred to in the Credit Agreement and the provisions
relating to Credit Documents in the Credit Agreement are incorporated by
reference, the same as if set forth verbatim in this Amendment.

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7. Counterparts. This Amendment may be executed in any number of counterparts
with the same effect as if all signatories had signed the same document.

8. Parties Bound. This Amendment binds and inures to the benefit of Borrower,
Administrative Agent and each Lender, and, subject to Section 13 of the Credit
Agreement, their respective successors and assigns.

9. Entirety. THIS AMENDMENT, THE CREDIT AGREEMENT AS AMENDED BY THIS AMENDMENT,
AND THE OTHER CREDIT DOCUMENTS REPRESENT THE FINAL AGREEMENT BETWEEN THE PARTIES
FOR THE TRANSACTIONS THEREIN, AND MAY NOT BE CONTRADICTED BY EVIDENCE OF PRIOR,
CONTEMPORANEOUS, OR SUBSEQUENT ORAL AGREEMENT BETWEEN THE PARTIES. THERE ARE NO
UNWRITTEN ORAL AGREEMENT BETWEEN THE PARTIES.

                  [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK.
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         EXECUTED as of the date first stated above.

                                       BANK ONE, NA,
                                       as Administrative Agent and a Lender

                                       By:
                                          --------------------------------------
                                          Bradley C. Peters,  Vice President

                                       PMC CAPITAL, INC.,
                                       as Borrower

                                       By:
                                          --------------------------------------
                                       Name:
                                            ------------------------------------
                                       Title:
                                             -----------------------------------

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                                                                    EXHIBIT 10.1

                      AMENDMENT #2 TO EMPLOYMENT AGREEMENT
                                       OF
                                 W. DONALD BELL

Date:         April 30, 2002

Parties:      Bell Microproducts, Inc.      ("Company")
              W. Donald Bell                ("Bell)

         WHEREAS, the Company and Bell are parties to an existing Employment
Agreement dated July 1, 1999, as amended (the "Agreement); and

         WHEREAS, on the date set forth above, the Board of Directors of the
Company approved an amendment to certain portions of the Agreement.

         NOW, THEREFORE, the Company and Bell agree that effective April 30,
2002, the following amendment shall be made to the Agreement:

         1.   Paragraph 3h is hereby added as follows:

              3h Supplemental Executive Retirement Plan ("SERP") Bell is
designated as a participant in the Company's SERP and will be provided with a
retirement benefit as provided in the Company's Supplemental Executive
Retirement Plan Document, and the Participation Agreement signed by the Company
and Bell. The Participation Agreement provides as follows:

<Table>
<S>                                                              <C>
Normal Retirement Age:                                           70

Normal Retirement Benefit per Year for Lifetime:                 $250,000 (single life annuity)

Vesting Schedule:                                                Fully vested at age 65

Early Retirement Age:                                            67

Early Retirement Benefit per Year for Lifetime:                  Normal Retirement Benefit less 5% for each partial or
                                                                 full year under age 70

Spousal Benefit/Joint and Survivor Annuity Option:               In accordance with SERP Plan Document
</Table>

         This Amendment shall be attached to and be part of the Agreement.
Except as set forth herein, all other provisions of the Agreement shall remain
in full force without modification.

         In consideration of the mutual covenants contained herein, the parties
have executed this Amendment effective as of the date and year above written.

         W. Donald Bell:                  Bell Microproducts, Inc.:

                                          By /s/ W. Donald Bell
        ----------------------------         ----------------------------------

                                          Its
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