Document:

<PAGE>

                                                                  EXHIBIT 10.3.1

[LOGO OF BANK OF AMERICA]
================================================================================
                                                          Amendment to Documents

                   AMENDMENT NO. 2 TO BUSINESS LOAN AGREEMENT

     This Amendment No. 2 (the "Amendment") dated as of August 1, 2001, is
between Bank of America, N.A. (the "Bank") and Sunrise Telecom Incorporated (the
"Borrower"), formerly known as Sunrise Telecom, Inc.

                                    RECITALS
                                    --------

     A. The Bank and the Borrower entered into a certain Business Loan Agreement
dated as of May 22, 2000, as previously amended (the "Agreement").

     B. The Bank and the Borrower desire to further amend the Agreement.

                                   AGREEMENT
                                   ---------

     1. Definitions. Capitalized terms used but not defined in this Amendment
        -----------
shall have the meaning given to them in the Agreement.

     2. Amendments. The Agreement is hereby amended as follows:
        ----------

        2.1 Paragraph 1.2 of the Agreement is amended to read in its entirety as
            follows:

            "1.2 Availability Period. The line of credit is available between
            the date of this Agreement and August 1, 2002, or such earlier date
            as the availability may terminate as provided in this Agreement (the
            "Facility No. 1 Expiration Date")".

        2.2 Subparagraph 1.7(a) is hereby amended in its entirety as follows:

            "During the availability period, the Bank at its discretion may
            enter into spot and forward foreign exchange contracts with the
            Borrower. The foreign exchange contract limit will be Ten Million
            and 00/100 U.S. Dollars (U.S. $10,000,000), and the settlement limit
            will be Three Million and 00/100 U.S. Dollars (U.S. $3,000,000).
            The "foreign exchange contract limit" is the maximum limit on the
            net difference between the total foreign exchange contracts
            outstanding less the total foreign exchange contracts for which
            the Borrower has already compensated the Bank. The "settlement
            limit" is the maximum limit on the gross total amount of all sale
            and purchase contracts on which delivery is to effected and
            settlement allowed on any one baking day."

        2.3 In subparagraph 1.7(l) of the Agreement, the amount "One Million
            Dollars ($1,000,000)" is substituted for the amount "Five Hundred
            Thousand Dollars ($500,000)."

        2.4 In subparagraph 9.7(f) of the Agreement, the words "Paragraph
            9.22(f)" is substituted for the words "Paragraph 8.22(g)".

        2.5 In subparagraph 9.22(g) the words "during the line year" are
            substituted for the words "in the aggregate."

        2.6 Paragraph 9.2(d), 9.5 and 9.9 of the Agreement are deleted in their
            entirety.

     3. Representations and Warranties. When the Borrower signs this Amendment,
        ------------------------------
the Borrower represents and warrants to the Bank that: (a) there is no event
which is, or with notice or lapse of time or both would be, a default under the
Agreement except those events, if any, that have been disclosed in writing to
the Bank or waived in writing by the Bank, (b) the representations and
warranties in the Agreement are true as of the date of this Amendment as if made
on the date of this Amendment, (c) this Amendment is within the Borrower's
powers, has been duly authorized, and does not conflict with any of the
Borrower's organizational papers, and (d) this Amendment does not conflict with
any law, agreement, or obligation by which the Borrower is bound.

--------------------------------------------------------------------------------
                                      -1-

<PAGE>

--------------------------------------------------------------------------------

     4. Conditions. This Amendment will be effective when the Bank receives
        ----------
the following items, in form and content acceptable to the Bank:

        4.1 A loan fee in the amount of Fifteen Thousand Three Hundred Dollars
           ($15,300).

     5. Effect of Amendment. Except as provided in this Amendment, all of the
        -------------------
terms and conditions of the Agreement shall remain in full force and effect.

     This Amendment is executed as of the date stated at the beginning of this
Amendment.

Bank of America, N.A.             Sunrise Telecom Incorporated

X /s/ Lakshmi Wolterding          X /s/ Paul Chang
  -----------------------------     ------------------------------------------
By: Lakshmi Wolterding,           By: Paul Chang President/ Chief
    Vice President                    Executive Officer

                                  X /s/ Peter Eidelman
                                    ------------------------------------------
                                  By: Peter Eidelman, Treasurer/Chief
                                      Financial Officer

--------------------------------------------------------------------------------
                                      -2-<PAGE>
                                                              EXHIBIT 10.23(b-1)

              Third Amendment to Technology Cross-License Agreement

     ADVANCED MICRO DEVICES, INC. ("AMD") and FUJITSU LIMITED ("Fujitsu") have
agreed upon this Amendment to the Technology Cross-License Agreement between the
parties dated March 26, 1993 ("Agreement") and other documents related thereto

     1. The First Amendment To Technology Cross-License Agreement dated
        September 1, 1996, the letter entitled "RE First Amendment to Technology
        Cross-License Agreement" dated May 22, 1997 and the Second Amendment to
        Technology Cross-License Agreement dated March 20, 1998 are hereby
        terminated in their entirety.

     2. *****

     3. *****

     4. *****

Confidential treatment has been requested for portions of this exhibit.  The
copy filed herewith omits the information subject to the confidentiality
request.  Omissions are designated as *****.  A complete version of this exhibit
has been filed separately with the Securities and Exchange Commission.

<PAGE>

     5. The following ***** are designated as *****

        *****

     6. The parties agree, upon request by one of them, to review the ***** for
        the purpose of making changes thereto Notwithstanding, all changes to
        the ***** must be agreed to, in writing, by AMD and Fujitsu

Confidential treatment has been requested for portions of this exhibit. The copy
filed herewith omits the information subject to the confidentiality request.
Omissions are designated as *****. A complete version of this exhibit has been
filed separately with the Securities and Exchange Commission.

IN WITNESS WHEREOF, the parties cause this Third Amendment to be executed by
their duly authorized representatives to be effective as of April 2, 2001.
                                                            -------

ADVANCED MICRO DEVICES INC.               FUJITSU LIMITED

        /s/ Walid Maghribi                         /s/ K. Shirai
------------------------------------      --------------------------------------

By       Walid Maghribi                   By       Kazunari Shirai
   ---------------------------------         -----------------------------------
Title    President, Memory Group          Title    Executive Vice President &
      ------------------------------            --------------------------------
                                                   Group President, Electronic
                                                --------------------------------
                                                   Devices Group
                                                --------------------------------<PAGE>

                                                              EXHIBIT 10.23(g-1)

                                    AMENDMENT

                                       TO

                         JOINT VENTURE LICENSE AGREEMENT

THIS AMENDMENT (this "Amendment"), effective as of April 1, 1999, is made among
                      ---------
ADVANCED MICRO DEVICES, INC., a corporation organized and existing under the
laws of the State of Delaware, United States of America, with its chief
executive office and principal place of business at One AMD Place, Sunnyvale,
California 94088, United States of America ("AMD"), FUJITSU LIMITED, a
                                             ---
corporation organized and existing under the laws of Japan, with its registered
place of business at 1-1, Kamikodanaka 4-Chome, Nakahara-ku, Kawasaki 211-8588,
Japan ("Fujitsu"), and FUJITSU AMD SEMICONDUCTOR LIMITED, a joint venture
        -------
organized and existing under the laws of Japan, with its registered office at 6,
Kogyo Danchi, Monden-machi, Aizuwakamatsu-shi, Fukushima-ken 965-0845, Japan
("FASL").
  ----
                                   WITNESSETH:

WHEREAS, AMD and Fujitsu formed FASL pursuant to the Joint Venture Agreement
between AMD and Fujitsu dated March 30, 1993 and certain related agreements
(collectively, the "FASL Agreements");
                    ---------------

WHEREAS, pursuant to the FASL Agreements, FASL manufactures electrically
programmable read only memory and flash memory integrated circuit devices
("Products") which are purchased by AMD and Fujitsu pursuant to the FASL
Agreements, including without limitation, the Sales and Purchase Agreement of
FASL Products among Fujitsu, AMD and FASL dated September 8, 1995, as amended by
Memorandum of Understanding dated October 18, 1995, Memorandum dated February
19, 1996, Memorandum dated March 14, 1996, Memorandum dated May 16, 1996, and
Memorandum dated July 13, 1998 (as amended, the "Sales and Purchase Agreement");
                                                 ----------------------------

WHEREAS, AMD, Fujitsu and FASL *****;

WHEREAS, *****.

NOW, THEREFORE, AMD, Fujitsu and FASL agree as follows:

Confidential treatment has been requested for portions of this exhibit.  The
copy filed herewith omits the information subject to the confidentiality
request.  Omissions are designated as *****.  A complete version of this exhibit
has been filed separately with the Securities and Exchange Commission.

                                       1

<PAGE>

                                    ARTICLE I
                                   Definitions

SECTION 1.1    Definitions. Capitalized terms not otherwise defined in this
Amendment are used with the definitions assigned to them in the Joint Venture
License Agreement.

SECTION 1.2    Construction. In this Amendment, unless the context requires
otherwise, references to Sections are to Sections of the Joint Venture License
Agreement. Section headings are inserted for reference only and shall not affect
the construction of this Amendment.

                                   ARTICLE II
                                   Amendments

SECTION 2.1    The Joint Venture License Agreement shall be amended as more
particularly set out below. In all other respects, the Joint Venture License
Agreement shall remain in full force and effect.

(a)  Section 1.7 shall be deleted in its entirety, and replaced with the
     following text:

     *****

                                   ARTICLE III
                                  Miscellaneous

SECTION 3.1    Miscellaneous.

(a)  This Amendment is limited as specified and shall not constitute a
     modification, amendment or waiver of any other provision of the Joint
     Venture License Agreement or any other provision of any other FASL
     Agreement. Except as specifically amended by this Amendment, the Joint
     Venture License Agreement shall remain in full force and effect and is
     hereby ratified and confirmed.

(b)  This Amendment may be executed in counterparts, each of which shall be
     deemed an original, and all of which shall constitute one and the same
     instrument.

Confidential treatment has been requested for portions of this exhibit.  The
copy filed herewith omits the information subject to the confidentiality
request.  Omissions are designated as *****.  A complete version of this exhibit
has been filed separately with the Securities and Exchange Commission.

                                       2

<PAGE>

(c)  The provisions of Article 7 (Exchange of Information and Confidentiality)
     of the Joint Venture License Agreement shall apply, mutatis mutandis, to
     all information exchanged among parties, as amended by this Amendment.

(d)  This Amendment shall be effective as of April 1, 1999.

Confidential treatment has been requested for portions of this exhibit. The copy
filed herewith omits the information subject to the confidentiality request.
Omissions are designated as *****. A complete version of this exhibit has been
filed separately with the Securities and Exchange Commission.

IN WITNESS WHEREOF, each of the parties set out below has caused this Amendment
to be duly executed by its respective, duly authorized officer as of the date
first above written.

ADVANCED MICRO DEVICES, INC.

         /s/ Fran Barton
--------------------------------------------

By       Fran Barton
    ----------------------------------------

Title    Sr. Vice President, CFO
       -------------------------------------

FUJITSU LIMITED

         /s/ K. Shirai
--------------------------------------------

By       Kazunari Shirai
    ----------------------------------------

Title    Senior Vice President
       -------------------------------------

FUJITSU AMD SEMICONDUCTOR LIMITED

         /s/ K. Yanagida
--------------------------------------------

By       Kimio Yanagida
    ----------------------------------------

Title    President
       -------------------------------------

Confidential treatment has been requested for portions of this exhibit.  The
copy filed herewith omits the information subject to the confidentiality
request.  Omissions are designated as *****.  A complete version of this exhibit
has been filed separately with the Securities and Exchange Commission.

                                       3

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00028-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00028-of-00352.parquet"}], [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00028-of-00352.parquet"}]]