System and method for directing access from a framebuffer to...

Details System and method for directing access from a framebuffer to... System and method for directing access from a framebuffer to...

2005-04-05

2005-04-05

Du, Thuan (Department: 2116)

Electrical computers and digital processing systems: support

Computer power control

Power conservation

C713S324000

Reexamination Certificate

active

06877098

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.

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“Direct And Indirect Addressing of Peripheral Devices”, IBM Technical Disclosure Bulletin, Jun. 1, 1990, US, pp. 475-477.

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