(19)

(11)

EP 1 180 285 A1

(12)

(43) Date of publication: 20.02.2002 Bulletin 2002/08 (21) Application number: 99967237.1 (22) Date of filing: 07.12.1999

(51) International Patent Classification (IPC)7: H04L 12/44 (86) International application number: PCT/US9929/118 (87) International publication number: WO 0072/523 (30.11.2000 Gazette 2000/48)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 24.05.1999 US 317151 (71) Applicant: ADVANCED MICRO DEVICES INC. Sunnyvale, California 94088-3453 (US)	(72) Inventors: MERCHANT, Shashank Sunnyvale, CA 94089 (US) WILLIAMS, Robert Cupertino, CA 95014 (US) CHIANG, John, M. San Jose, CA (US) (74) Representative: Sanders, Peter Colin Christopher (GB) et al Brookes Batchellor 102-108 Clerkenwell Road London EC1M 5SA London EC1M 5SA (GB)