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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13G

                    Under the Securities Exchange Act of 1934

                                 (Rule 13d-102)

                 Information to be Included in Statements Filed
          Pursuant to Rule 13d-1(b)(c), and (d) and Amendments thereto
                         Filed Pursuant to Rule 13d-2(b)

                               Portal Player, Inc.
--------------------------------------------------------------------------------
                                (Name of Issuer)

                                  Common Stock
--------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                    736187204
                   -----------------------------------------
                                 (CUSIP Number)

                                December 31, 2004
--------------------------------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)

Check the  appropriate box to designate the rule pursuant to which this Schedule
is filed: 

      [_] Rule 13d-1(b)

      [_] Rule 13d-1(c)

      [X] Rule 13d-1(d)

      * The  remainder  of this cover  page shall be filled out for a  reporting
person's  initial  filing on this  form with  respect  to the  subject  class of
securities,  and for any subsequent amendment containing information which would
alter the disclosures provided in a prior cover page.

      The information  required in the remainder of this cover page shall not be
deemed to be "filed"  for the purpose of Section 18 of the  Securities  Exchange
Act of 1934 ("Act") or otherwise  subject to the  liabilities of that section of
the Act but shall be subject to all other  provisions of the Act  (however,  see
the Notes). Item 10.

                               Page 1 of 20 pages



                                  SCHEDULE 13G

Issuer: Portal Player, Inc.                                 CUSIP No.: 736187204
--------------------------------------------------------------------------------
1.    Names of Reporting Persons.
      I.R.S. Identification Nos. of above persons (entities only).

      J.P. Morgan Partners (BHCA), L.P.
      13-3371826
--------------------------------------------------------------------------------
2.    Check the Appropriate Box if a Member of a Group (See Instructions)
      (a) |_|
      (b) |_|
--------------------------------------------------------------------------------
3.    SEC Use Only 
--------------------------------------------------------------------------------
4.    Citizenship or Place of Organization   
      Delaware
--------------------------------------------------------------------------------
  Number of              5. Sole Voting Power   2,560,225 shares of Common Stock
  Shares Beneficially       
  Owned by Each          -------------------------------------------------------
  Reporting Person       6. Shared Voting Power
  With:                  -------------------------------------------------------
                         7. Sole Dispositive Power   2,560,225 shares of Common 
                         Stock
                         -------------------------------------------------------
                         8.Shared Dispositive Power
--------------------------------------------------------------------------------
9.    Aggregate Amount Beneficially Owned by Each Reporting Person 2,560,225 
      shares of Common Stock

10.   Check box if the Aggregate  Amount in Row (9) Excludes Certain Shares (See
      Instructions)                                              |_|

11.   Percent of Class Represented by Amount in Row (9)         11.1%
--------------------------------------------------------------------------------
12.       Type of Reporting Person (See Instructions)
          PN
--------------------------------------------------------------------------------

                               Page 2 of 20 pages



                                  SCHEDULE 13G

Issuer: Portal Player, Inc.                                 CUSIP No.: 736187204
--------------------------------------------------------------------------------
1.    Names of Reporting Persons.
      I.R.S. Identification Nos. of above persons (entities only).

      J.P. Morgan Partners Global Investors, L.P.
      13-4197054
--------------------------------------------------------------------------------
2.    Check the Appropriate Box if a Member of a Group (See Instructions)
      (a) |_|
      (b) |_|
--------------------------------------------------------------------------------
3.    SEC Use Only
--------------------------------------------------------------------------------
4.    Citizenship or Place of Organization   
      Delaware
--------------------------------------------------------------------------------
  Number of              5. Sole Voting Power   229,704 shares of Common Stock
  Shares Beneficially       
  Owned by Each          -------------------------------------------------------
  Reporting Person       6. Shared Voting Power
  With:                  -------------------------------------------------------
                         7. Sole Dispositive Power  229,704 shares of Common 
                            Stock
                         -------------------------------------------------------
                         8.Shared Dispositive Power
--------------------------------------------------------------------------------
9.    Aggregate Amount Beneficially Owned by Each Reporting Person   229,704 
      Shares of Common Stock

10.   Check box if the Aggregate  Amount in Row (9) Excludes Certain Shares (See
      Instructions)                                                  |_|

11.   Percent of Class Represented by Amount in Row (9)  1.0%
--------------------------------------------------------------------------------
12.   Type of Reporting Person (See Instructions)
      PN
--------------------------------------------------------------------------------

                               Page 3 of 20 pages


                                  SCHEDULE 13G

Issuer: Portal Player, Inc.                                 CUSIP No.: 736187204
--------------------------------------------------------------------------------
1.    Names of Reporting Persons.
      I.R.S. Identification Nos. of above persons (entities only).

      J.P. Morgan Partners Global Investors A, L.P.
      26-0032493
--------------------------------------------------------------------------------
2.    Check the Appropriate Box if a Member of a Group (See Instructions)
      (a) |_|
      (b) |_|
--------------------------------------------------------------------------------
3.    SEC Use Only
--------------------------------------------------------------------------------
4.    Citizenship or Place of Organization 
      Delaware
--------------------------------------------------------------------------------
  Number of              5. Sole Voting Power     31,313 shares of Common 
  Shares Beneficially       Stock
  Owned by Each          -------------------------------------------------------
  Reporting Person       6. Shared Voting Power 
  With:                  -------------------------------------------------------
                         7. Sole Dispositive Power  31,313 shares of Common 
                            Stock
                         -------------------------------------------------------
                         8. Shared Dispositive Power
--------------------------------------------------------------------------------
9.    Aggregate Amount Beneficially Owned by Each Reporting Person   
      31,313 Shares of Common Stock

10.   Check box if the Aggregate  Amount in Row (9) 
      Excludes Certain Shares (See Instructions)

11.   Percent of Class Represented by Amount in Row (9)         .1%
--------------------------------------------------------------------------------
12.   Type of Reporting Person (See Instructions)
      PN
--------------------------------------------------------------------------------

                               Page 4 of 20 pages


                                  SCHEDULE 13G

Issuer: Portal Player, Inc.                                 CUSIP No.: 736187204
--------------------------------------------------------------------------------
1.    Names of Reporting Persons.
      I.R.S. Identification Nos. of above persons (entities only).

      J.P. Morgan Partners Global Investors (Cayman), L.P.
      13-4197057
--------------------------------------------------------------------------------
2.    Check the Appropriate Box if a Member of a Group (See Instructions)
      (a) |_|
      (b) |_|
--------------------------------------------------------------------------------
3.    SEC Use Only
--------------------------------------------------------------------------------
4.    Citizenship or Place of Organization              Cayman Islands
--------------------------------------------------------------------------------
  Number of              5. Sole Voting Power   116,587 shares of Common Stock
 Shares Beneficially       
  Owned by Each          -------------------------------------------------------
  Reporting Person       6. Shared Voting Power
  With:                  -------------------------------------------------------
                         7. Sole Dispositive Power   116,587 shares of Common 
                            Stock
                         -------------------------------------------------------
                         8. Shared Dispositive Power
--------------------------------------------------------------------------------
9.    Aggregate Amount Beneficially Owned by Each Reporting Person
      116,587 Shares of Common Stock

10.   Check box if the Aggregate  Amount in Row (9) Excludes Certain Shares (See
      Instructions)                                               |_|

11.   Percent of Class Represented by Amount in Row (9)                     .5%
--------------------------------------------------------------------------------
12.   Type of Reporting Person (See Instructions)
      PN
--------------------------------------------------------------------------------

                               Page 5 of 20 pages


                                  SCHEDULE 13G

Issuer: Portal Player, Inc.                                 CUSIP No.: 736187204
--------------------------------------------------------------------------------
1.    Names of Reporting Persons.
      I.R.S. Identification Nos. of above persons (entities only).

      J.P. Morgan Partners Global Investors (Cayman) II, L.P.
      26-0005546
--------------------------------------------------------------------------------
2.    Check the Appropriate Box if a Member of a Group (See Instructions)
      (a) |_|
      (b) |_|
--------------------------------------------------------------------------------
3.    SEC Use Only
--------------------------------------------------------------------------------
4.    Citizenship or Place of Organization              Cayman Islands
--------------------------------------------------------------------------------
  Number of              5. Sole Voting Power     12,992 shares of Common Stock 
  Shares Beneficially    -------------------------------------------------------
  Owned by Each          6. Shared Voting Power
  Reporting Person       -------------------------------------------------------
  With:                  7. Sole Dispositive Power 12,992 shares of Common Stock
                         -------------------------------------------------------
                         8. Shared Dispositive Power
--------------------------------------------------------------------------------
9.    Aggregate Amount Beneficially Owned by Each Reporting Person  
      12,992 Shares of Common Stock

10.   Check box if the Aggregate  Amount in Row (9) Excludes Certain Shares (See
      Instructions)                                                |_|

11.   Percent of Class Represented by Amount in Row (9)            .1%
--------------------------------------------------------------------------------
12.   Type of Reporting Person (See Instructions)
      PN
--------------------------------------------------------------------------------

                               Page 6 of 20 pages


                                  SCHEDULE 13G

Issuer: Portal Player, Inc.                                 CUSIP No.: 736187204
--------------------------------------------------------------------------------
1.    Names of Reporting Persons.
      I.R.S. Identification Nos. of above persons (entities only).

      J.P. Morgan Partners Global Investors (Selldown), L.P.
      56-2489868
--------------------------------------------------------------------------------
2.    Check the Appropriate Box if a Member of a Group (See Instructions)
      (a) |_|
      (b) |_|
--------------------------------------------------------------------------------
3.    SEC Use Only
--------------------------------------------------------------------------------
4.    Citizenship or Place of 
      Organization              Delaware
--------------------------------------------------------------------------------
  Number of              5. Sole Voting Power      86,322 shares of Common Stock
  Shares Beneficially    -------------------------------------------------------
  Owned by Each          6. Shared Voting Power
  Reporting Person       -------------------------------------------------------
  With:                  7. Sole Dispositive Power 86,322 shares of Common Stock
                         -------------------------------------------------------
                         8. Shared Dispositive Power
--------------------------------------------------------------------------------
9.    Aggregate Amount Beneficially Owned by Each Reporting Person 
      86,322 Shares of Common Stock

10.   Check box if the Aggregate  Amount in Row (9) Excludes Certain Shares (See
      Instructions)                                                          |_|

11.   Percent of Class Represented by Amount in Row (9)                      .4%
--------------------------------------------------------------------------------
12.   Type of Reporting Person (See Instructions)
      PN
--------------------------------------------------------------------------------

                               Page 7 of 20 pages


                                  SCHEDULE 13G

Issuer: Portal Player, Inc.                                 CUSIP No.: 736187204

Item 1.

            (a)   Name of Issuer:

                  Portal Player, Inc.

            (b)   Address of Issuer's Principal Executive Offices:

                  3255 Scott Boulevard, Bld. 1 
                  Santa Clara, CA 05054

Item 2.
            (a)   Name of Person Filing:

                  J.P. Morgan Partners (BHCA), L.P. ("JPMP (BHCA)")
                  J.P. Morgan Partners Global Investors, L.P. ("JPMP Global")
                  J.P. Morgan  Partners  Global  Investors A, L.P. ("JPMP Global
                  A")
                  J.P. Morgan Partners Global  Investors  (Cayman),  L.P. ("JPMP
                  Cayman")
                  J.P. Morgan Partners Global Investors (Cayman) II, L.P. ("JPMP
                  Cayman II")
                  J.P. Morgan Partners Global Investors (Selldown),  L.P. ("JPMP
                  Selldown")

                  Supplemental information relating to the ownership and control
                  of the person  filing  this  statement  is included in Exhibit
                  2(a) attached hereto.

            Address of Principal Business Office or, if none, Residence:

                  c/o J.P. Morgan Partners, LLC
                  1221 Avenue of the Americas
                  New York, New York 10020


                  See  also  supplemental   information  relating  to  principal
                  business office is included in Exhibit 2(a) attached hereto.

            (b)   Citizenship:

                  Each Reporting Person is a Delaware limited partnership, other
                  than JPMP Cayman and JPMP  Cayman II which are Cayman  Islands
                  partnerships.

            (c)   Title of Class of Securities (of Issuer):

                  Common Stock

            (d)   CUSIP Number:

                  736187204

Item 3.  If this  statement is filed  pursuant to ss.ss.  240.  13d-1(b) or 240.
         13d-2(b) or (c), check whether the person filing is a:

                  Not applicable.

Item 4.  Ownership

                               Page 8 of 20 pages


                                  SCHEDULE 13G

Issuer: Portal Player, Inc.                                 CUSIP No.: 736187204

Item 5. 

      (a)   Amount Beneficially Owned:

            JPMP (BHCA):        2,560,225
            JPMP Global:          229,704
            JPMP Global A:         31,313
            JPMP Cayman:          116,587
            JPMP Cayman IV:        12,992
            JPMP Selldown:         86,332

      (b)   Percent of Class:

            JPMP (BHCA):        11.1% (as of December 31, 2004)
            JPMP Global:         1.0% (as of December 31, 2004)
            JPMP Global A:        .1% (as of December 31, 2004)
            JPMP Cayman:          .5% (as of December 31, 2004)
            JPMP Cayman II        .1% (as of December 31, 2004)
            JPMP Selldown         .4% (as of December 31, 2004)

      (c)   Number of shares as to which such person has:

            (i)   JPMP (BHCA):  2,560,225
                  JPMP Global:    229,704
                  JPMP Global A:   31,313
                  JPMP Cayman:    116,587
                  JPMP Cayman IV:  12,992
                  JPMP Selldown:   86,332


            (ii)  Not applicable


            (iii) JPMP (BHCA):  2,560,225
                  JPMP Global:    229,704
                  JPMP Global A:   31,313
                  JPMP Cayman:    116,587
                  JPMP Cayman IV:  12,992
                  JPMP Selldown:   86,332

            (iv)  Not applicable

Item  6. Ownership of Five Percent or Less of a Class

            Not applicable

Item  7. Ownership of More than Five Percent on Behalf of Another Person

            Not applicable.

Item  8. Identification and Classification of the Subsidiary Which Acquired the
         Security Being Reported on By the Parent Holding Company

            Not applicable.

Item  9. Identification and Classification of Members of the Group

                               Page 9 of 20 pages


                                  SCHEDULE 13G

Issuer: Portal Player, Inc.                                 CUSIP No.: 736187204

            Not applicable.

Item  10. Notice of Dissolution of Group

            Not applicable.

Item  11. Certification

            Not applicable


                              Page 10 of 20 pages


                                  SCHEDULE 13G

Issuer: Portal Player, Inc.                                 CUSIP No.: 736187204

                                    SIGNATURE

      After  reasonable  inquiry and to the best of my knowledge  and belief,  I
certify that the information  set forth in this statement is true,  complete and
correct.

Date: February 14, 2005

                                        J.P. MORGAN PARTNERS (BHCA), L.P. 

                                        By: JPMP Master Fund Manager, L.P., 
                                            its General Partner

                                        By: JPMP Capital Corp., 
                                            its General Partner

                                            /s/ Jeffrey C. Walker
                                        By: ---------------------
                                            Name:  Jeffrey C. Walker
                                            Title: President


                                        J.P. MORGAN PARTNERS GLOBAL
                                        INVESTORS, L.P.

                                        By: JPMP Global Investors, L.P.,        
                                            its General Partner
                                        
                                        By: JPMP Capital Corp.,
                                            its General Partner

                                             /s/ Jeffrey C. Walker   
                                        By:  ---------------------
                                             Name:  Jeffrey C. Walker
                                             Title: President

                                        J.P. MORGAN PARTNERS GLOBAL
                                        INVESTORS A, L.P.

                                        By: JPMP Global Investors, L.P.,
                                            its General Partner

                                        By: JPMP Capital Corp.,
                                            its General Partner

                                        By:  ---------------------
                                             Name:  Jeffrey C. Walker
                                             Title: President


                              Page 11 of 20 pages


                                  SCHEDULE 13G

Issuer: Portal Player, Inc.                                 CUSIP No.: 736187204

                                        J.P. MORGAN PARTNERS GLOBAL
                                        INVESTORS (CAYMAN), L.P.

                                        By: JPMP Global Investors, L.P.,
                                            its General Partner

                                        By: JPMP Capital Corp.,
                                            its General Partner

                                             /s/ Jeffrey C. Walker    
                                        By:  ---------------------
                                        Name:  Jeffrey C. Walker
                                        Title: President


                                        J.P. MORGAN PARTNERS GLOBAL
                                        INVESTORS (CAYMAN) II, L.P.
                                        
                                        By: JPMP Global Investors, L.P.,
                                            its General Partner

                                        By: JPMP Capital Corp.,
                                            its General Partner
                                                
                                             /s/   Jeffrey C. Walker    
                                        By:  ---------------------
                                        Name:  Jeffrey C. Walker
                                        Title: President

        
                                        J.P. MORGAN PARTNERS GLOBAL
                                        INVESTORS (SELLDOWN), L.P.

                                        By: JPMP Global Investors, L.P.,
                                            its General Partner

                                        By: JPMP Capital Corp.,
                                            its General Partner

                                             /s/ Jeffrey C. Walker
                                        By:  ---------------------
                                        Name:  Jeffrey C. Walker
                                        Title: President


                              Page 12 of 20 pages


                                  SCHEDULE 13G

Issuer: Portal Player, Inc.                                 CUSIP No.: 736187204

                                  EXHIBIT 2(a)

Item  2. Identity and Background.

      This  statement is being filed by J.P.  Morgan  Partners  (BHCA),  L.P., a
Delaware limited partnership  (hereinafter referred to as "JPMP (BHCA)"),  whose
principal  business office is located at 1221 Avenue of the Americas,  New York,
New York 10020.  JPMP (BHCA) is engaged in the venture  capital,  private equity
and leveraged buyout business. The general partner of JPMP (BHCA) is JPMP Master
Fund Manager,  L.P., a Delaware limited partnership  (hereinafter referred to as
"JPMP Master  Fund"),  whose  principal  business  office is located at the same
address as JPMP (BHCA),  and is also engaged  directly and  indirectly  (through
affiliates)  in  the  venture  capital,  private  equity  and  leveraged  buyout
business.  As general partner of JPMP (BHCA),  JPMP Master Fund may be deemed to
be the beneficial owner of the shares held by JPMP (BHCA).

      This  statement  is also  being  filed  by  J.P.  Morgan  Partners  Global
Investors, L.P., a Delaware limited partnership ("JPMP Global"), whose principal
place of business is located at the same  address as JPMP  (BHCA);  J.P.  Morgan
Partners Global Investors A, L.P., a Delaware limited  partnership ("JPMP Global
A"),  whose  principal  place of business is located at the same address as JPMP
(BHCA);  J.P.  Morgan  Partners  Global  Investors  (Cayman),  L.P.,  a  limited
partnership  organized  under the laws of the Cayman  Islands  ("JPMP  Cayman"),
whose  principal place of business is located at the same address as JPMP (BHCA)
and J.P. Morgan Partners Global  Investors  (Selldown),  L.P., and  collectively
with JPMP  Global,  JPMP Global A, JPMP Cayman,  JPMP  Selldown the "Global Fund
Entities"),  whose principal place of business is located at the same address as
JPMP (BHCA). Each of the Global Fund  Entities is also  engaged in the venture
capital,  private equity and leveraged buyout  business.  The general partner of
each of the Global Fund Entities is J.P. Morgan Partners Global Investors, L.P.,
a Delaware  limited  partnership  ("JPMP  Investors"),  whose principal place of
business  is  located at the same  address as JPMP  (BHCA).  JPMP  Investors  is
engaged  indirectly in the venture capital,  private equity and leveraged buyout
business  as general  partner of each of the Global  Fund  Entities.  As general
partner of each of the Global Fund Entities,  JPMP Investors may be deemed to be
the beneficial owner of the shares held by the Global Fund Entities.

      The general  partner of each of JPMP Master  Fund and JPMP  Investors,  is
JPMP Capital Corp.,  a New York  corporation  (hereinafter  referred to as "JPMP
Capital Corp."),  whose principal business office is located at the same address
as JPMP (BHCA), and is also engaged directly and indirectly (through affiliates)
in the venture capital,  private equity and leveraged buyout business. Set forth
in  Schedule  A hereto  and  incorporated  herein by  reference  are the  names,
business  addresses,  principal  occupations  and  employments of each executive
officer  and  director of JPMP  Capital  Corp.  As general  partner of each JPMP
Master  Fund and JPMP  Investors,  JPMP  Capital  Corp.  may be deemed to be the
beneficial owner of the shares held by JPMP (BHCA) and the Global Fund Entities.

      JPMP Capital Corp. is a wholly owned subsidiary of JPMorgan Chase & Co., a
Delaware  corporation  (hereinafter  referred to as "JPMorgan  Chase")  which is
engaged (primarily through subsidiaries) in the commercial banking business with
its principal  office located at 270 Park Avenue,  New York, New York 10017. Set
forth in Schedule B hereto and  incorporated  herein by reference are the names,
business  addresses,  principal  occupations  and  employments of each executive
officer and director of JPMorgan Chase.


                              Page 13 of 20 pages


                                  EXHIBIT 2(b)

                             JOINT FILING AGREEMENT


      The undersigned acknowledge and agree that the foregoing statement on
Schedule 13G is filed on behalf of each of the undersigned and that all
subsequent amendments to this statement on Schedule 13G shall be filed on behalf
of each of the undersigned without the necessity of filing additional joint
acquisition statements. The undersigned acknowledge that each shall be
responsible for the timely filing of such amendments, and for the completeness
and accuracy of the information concerning him or it contained therein, but
shall not be responsible for the completeness and accuracy of the information
concerning the other, except to the extent that he or it knows or has reason to
believe that such information is accurate.

Dated this 14 day of February, 2005.


                                        J.P. MORGAN PARTNERS (BHCA), L.P. 
                                        
                                        By: JPMP Master Fund Manager, L.P.,
                                            its General Partner

                                        By: JPMP Capital Corp.,
                                            its General Partner

                                              /s/ Jeffrey C. Walker   
                                        By:  ---------------------
                                            Name:  Jeffrey C. Walker
                                            Title: President

                                        J.P. MORGAN PARTNERS GLOBAL
                                        INVESTORS, L.P.

                                        By: JPMP Global Investors, L.P.,
                                            its General Partner

                                        By: JPMP Capital Corp.,
                                            its General Partner

                                        By:  ---------------------
                                            Name:  Jeffrey C. Walker
                                            Title: President


                              Page 14 of 20 pages

                                  SCHEDULE 13G

Issuer: Portal Player, Inc.                                 CUSIP No.: 736187204

                                        J.P, MORGAN PARTNERS GLOBAL
                                        INVESTORS A, L.P.

                                        By: JPMP Global Investors, L.P.,
                                            its General Partner

                                        By: JPMP Capital Corp.,
                                            its General Partner

                                              /s/ Jeffrey C. Walker   
                                        By:  ---------------------
                                            Name:  Jeffrey C. Walker
                                            Title: President

                                        J.P. MORGAN PARTNERS GLOBAL
                                        INVESTORS (CAYMAN), L.P.

                                        By: JPMP Global Investors, L.P.,
                                            its General Partner

                                        By: JPMP Capital Corp.,
                                            its General Partner

                                        By:  ---------------------
                                            Name:  Jeffrey C. Walker
                                            Title: President



                                        J.P. MORGAN PARTNERS GLOBAL
                                        INVESTORS (CAYMAN) II, L.P.

                                        By: JPMP Global Investors, L.P.,
                                           its General Partner

                                        By: JPMP Capital Corp.,
                                            its General Partner

                                              /s/ Jeffrey C. Walker   
                                        By:  ---------------------
                                            Name:  Jeffrey C. Walker
                                            Title: President


                              Page 15 of 20 pages


                                  SCHEDULE 13G

Issuer: Portal Player, Inc.                                 CUSIP No.: 736187204

                                        J.P. MORGAN PARTNERS GLOBAL
                                        INVESTORS (SELLDOWN), L.P.


                                        By: JPMP Global Investors, L.P.,
                                           its General Partner

                                        By: JPMP Capital Corp.,
                                            its General Partner

                                        By:  ---------------------
                                            Name:  Jeffrey C. Walker
                                            Title: President


                              Page 16 of 20 pages


                                  SCHEDULE 13G

Issuer: Portal Player, Inc.                                 CUSIP No.: 736187204

                                                                      SCHEDULE A
                               JPMP CAPITAL CORP.

                              Executive Officers(1)
                              ---------------------

Chief Executive Officer                       William B. Harrison**
President                                     Jeffrey C. Walker*
Chief Investment Officer                      Arnold L. Chavkin*
Managing Director                             Srinivas Akkaraju*
Managing Director                             Christopher Albinson*
Managing Director                             Dr. Dana Beth Ardi*
Managing Director                             Richard Aube*
Managing Director                             Christopher C. Behrens*
Managing Director                             John Breckenridge*
Managing Director                             Julie Casella-Esposito*
Managing Director                             Rodney A. Ferguson*
Managing Director                             Cornell P. French*
Managing Director                             Michael R. Hannon*
Managing Director                             Matthew Lori*
Managing Director                             Jonathan R. Lynch*
Managing Director                             Bryan Martin*
Managing Director                             Sunil Mishra*
Managing Director                             Stephen P. Murray*
Managing Director                             Timothy Purcell*
Managing Director                             John Reardon*
Managing Director                             Faith Rosenfeld*
Managing Director                             Shahan D. Soghikian*
Managing Director                             William Stuck*
Managing Director                             Patrick J. Sullivan*
Managing Director                             Timothy J. Walsh*
Managing Director                             Richard D. Waters, Jr. *
Managing Director                             Damion E. Wicker, M.D.*


                                  Directors(1)
                                  ------------
                              William B. Harrison**
                               Jeffrey C. Walker*

--------
(1)   Each of whom is a United States citizen.
*     Principal occupation is employee and/or officer of J.P. Morgan Partners,
      LLC. Business address is c/o J.P. Morgan Partners, LLC, 1221 Avenue of the
      Americas, New York, New York 10020.
**    Principal occupation is employee or officer of JPMorgan Chase & Co.
      Business address is c/o JPMorgan Chase & Co., 270 Park Avenue, New
      York, New York 10017.
(1)   Each of whom is a United States citizen.


                              Page 17 of 20 pages


                                  SCHEDULE 13G

Issuer: Portal Player, Inc.                                 CUSIP No.: 736187204

                              JPMORGAN CHASE & CO.

                              Executive Officers(1)
                              ---------------------

Chairman of the Board and Chief Executive Officer    William B. Harrison Jr.*
President and Chief Operating Officer                James Dimon*
Chief Information Officer                            Austin A. Adams*
Co-Chairman, Investment Bank                         Steven D. Black*
Chief Executive Officer, Card Services               William I. Campbell*
Chief Financial Officer                              Michael J. Cavanagh*
Chairman, West Coast Region                          David A. Coulter*
Director of Human Resources, Head of Real Estate/
   Facilities, General Services, Security            John J. Farrell*
Co-General Counsel                                   Joan Guggenheimer*
Director of Corporate Marketing and Communications   Frederick W. Hill*
Head, Commercial Banking                             Samuel Todd Maclin*
Head, Strategy and Business Development              Jay Mandelbaum*
Co-General Counsel                                   William H. McDavid*
Chief Executive Officer, Treasury & Securities 
   Services                                          Heidi Miller*
Head, Retail Financial Services                      Charles W. Scharf*
Executive Vice President, Card Services              Richard J. Srednicki*
Head, Asset & Wealth Management                      James E. Staley*
Chief Risk Officer                                   Don M. Wilson III*
Co-Chairman, Investment Bank                         William T. Winters*

--------
(1)   Each of whom is a United States citizen.
*     Principal occupation is employee or officer of JPMorgan Chase & Co.
      Business address is c/o JPMorgan Chase & Co., 270 Park Avenue, New
      York, New York 10017.

                              Page 18 of 20 pages


                                  SCHEDULE 13G

Issuer: Portal Player, Inc.                                 CUSIP No.: 736187204


                                  Directors(2)
                                  ------------

 Name                                      Principal Occupation or Employment;
                                           Business or Residence Address
--------------------------------------------------------------------------------
 Hans W. Becherer                          Retired Chairman of the Board and
                                           Chief Executive Officer
                                           Deere & Company
                                           c/o JPMorgan Chase & Co.
                                           270 Park Avenue
                                           New York, New York 10017
--------------------------------------------------------------------------------
 John H. Biggs                             Former Chairman and CEO
                                           TIAA - CREF
                                           c/o JPMorgan Chase & Co.
                                           270 Park Avenue
                                           New York, New York 10017
--------------------------------------------------------------------------------
 Lawrence A. Bossidy                       Retired Chairman of the Board
                                           Honeywell International Inc.
                                           c/o JPMorgan Chase & Co.
                                           270 Park Avenue
                                           New York, New York 10017
--------------------------------------------------------------------------------
 Stephen B. Burke                          President
                                           Comcast Cable Communications, Inc.
                                           c/o JPMorgan Chase & Co.
                                           270 Park Avenue
                                           New York, New York 10017
--------------------------------------------------------------------------------
 James S. Crown                            President
                                           Henry Crown and Company
                                           c/o JPMorgan Chase & Co.
                                           270 Park Avenue
                                           New York, New York 10017
--------------------------------------------------------------------------------
 James Dimon                               President and Chief Operating Officer
                                           JPMorgan Chase & Co.
                                           270 Park Avenue, 8th Floor
                                           New York, New York 10017-2070
--------------------------------------------------------------------------------
 Ellen V. Futter                           President and Trustee
                                           American Museum of Natural History
                                           c/o JPMorgan Chase & Co.
                                           270 Park Avenue
                                           New York, New York 10017
--------------------------------------------------------------------------------
 William H. Gray, III                      Retired President and Chief 
                                           Executive Officer
                                           The College Fund/UNCF
                                           c/o JPMorgan Chase & Co.
                                           270 Park Avenue
                                           New York, New York 10017
--------------------------------------------------------------------------------

--------
(2)   Each of whom is a United States citizen.


                              Page 19 of 20 pages


                                  SCHEDULE 13G

Issuer: Portal Player, Inc.                                 CUSIP No.: 736187204

 Name                                      Principal Occupation or Employment;
                                           Business or Residence Address
--------------------------------------------------------------------------------
 William B. Harrison, Jr.                  Chairman of the Board and Chief 
                                              Executive Officer
                                           JPMorgan Chase & Co.
                                           270 Park Avenue, 8th Floor
                                           New York, New York  10017-2070
--------------------------------------------------------------------------------
 Laban P. Jackson, Jr.                     Chairman and Chief Executive Officer
                                           Clear Creek Properties, Inc.
                                           c/o JPMorgan Chase & Co.
                                           270 Park Avenue
                                           New York, New York 10017
--------------------------------------------------------------------------------
 Lee R. Raymond                            Chairman of the Board and Chief 
                                              Executive Officer
                                           Exxon Mobil Corporation
                                           c/o JPMorgan Chase & Co.
                                           270 Park Avenue
                                           New York, New York 10017
--------------------------------------------------------------------------------
 John W. Kessler                           Owner
                                           John W. Kessler Company
                                           c/o JPMorgan Chase & Co.
                                           270 Park Avenue
                                           New York, New York 10017
--------------------------------------------------------------------------------
 Robert I. Lipp                            Chairman
                                           The St. Paul Travelers 
                                              Companies, Inc.
                                           c/o JPMorgan Chase & Co.
                                           270 Park Avenue
                                           New York, New York 10017
--------------------------------------------------------------------------------
 Richard A. Monoogian                      Chairman and Chief Executive 
                                              Officer
                                           Masco Corporation
                                           c/o JPMorgan Chase & Co.
                                           270 Park Avenue
                                           New York, New York 10017
--------------------------------------------------------------------------------
 David C. Novak                            Chairman and Chief Executive 
                                              Officer
                                           Yum! Brands, Inc.
                                           c/o JPMorgan Chase & Co.
                                           270 Park Avenue
                                           New York, New York 10017
--------------------------------------------------------------------------------
 John R. Stafford                          Retired Chairman of the Board
                                           Wyeth
                                           c/o JPMorgan Chase & Co.
                                           270 Park Avenue
                                           New York, New York 10017
--------------------------------------------------------------------------------


                              Page 20 of 20 pages