Eric G Sultan

US Patent:

6877098, Apr 5, 2005

Filed:

Jun 12, 2000

Appl. No.:

09/591926

Inventors:

Carol A. Lavelle - Saratoga CA, US
Joyce Z. Yu - San Jose CA, US
Eric G. Sultan - San Jose CA, US

Assignee:

Sun Microsystems, Inc. - Santa Clara CA

International Classification:

G06F001/32

US Classification:

713320, 713324

Abstract:

Methods and apparatus for managing power of a computer system. Access to a device by a process that accesses the device but does not require user interaction to continue running is prevented during power management and when the device is powered off. Memory space is allocated in the computer system prior to the device being powered off. All access to the device is directed to the allocated memory space during the power management period.