Electrical computers and digital processing systems: support – Computer power control – Power conservation
Patent
1997-02-11
2000-08-15
Sheikh, Ayaz R.
Electrical computers and digital processing systems: support
Computer power control
Power conservation
713322, 713320, 713323, G06F 132
Patent
active
06105142&
ABSTRACT:
A method and apparatus for managing power consumption in a computer system wherein the method and apparatus is compliant with the proposed Advanced Configuration and Power Interface (ACPI) specification. In one embodiment, a power management processor is sandwiched between platform hardware and the ACPI register layer. The processor processes all operating power management commands and requests while remaining transparent to the user and the operating system. In so doing, routine power management functions, so classified by the operating system, are implemented by the operating system. Sophisticated power management features, on the other hand, are implemented by the present invention independent from operating system control. Accordingly, in the present invention, the operating system need not suspend processing of other threads to process sophisticated power management procedures.
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Intel Corporation, Microsoft Corporation, Toshiba Corporated; "Advanced Configuration and Power Interface Specification"; --version 0.99; 1996.
Evoy David R.
Goff Lonnie C.
Story Franklyn
Sullivan Mark
Phan Raymond N
Sheikh Ayaz R.
VLSI Technology Inc.
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