(19)
(11) EP 1 360 571 A1

(12)

(43) Date of publication:
12.11.2003 Bulletin 2003/46

(21) Application number: 01273738.3

(22) Date of filing: 11.12.2001
(51) International Patent Classification (IPC)7G06F 1/32, G06F 13/10
(86) International application number:
PCT/US0147/259
(87) International publication number:
WO 0206/5264 (22.08.2002 Gazette 2002/34)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 18.01.2001 US 263007 P
09.03.2001 US 802659

(71) Applicant: International Business Machines Corporation
Armonk, NY 10504 (US)

(72) Inventors:
  • COHEN, Mark, Evan
    Cary, NC 27513 (US)
  • LOEBACH, James, Christopher
    Raleigh, NC 27709 (US)
  • MUTI, Carl, Joseph, Jr.
    Raleigh, NC 27613 (US)
  • STUDWELL, Thomas, Wayne
    Chapel Hill, NC 27514 (US)
  • YAMAMOTO, Osamu
    Yamato-shi,Kanagawa-Pre 242-0006 (JP)

(74) Representative: Litherland, David Peter 
IBM United Kingdom Ltd.,MP 110,Hursley Park
Winchester,Hampshire SO21 2JN
Winchester,Hampshire SO21 2JN (GB)

   


(54) POWER MANAGING IN A SYSTEM HAVING INTERNAL USB HUB