Electrical computers and digital processing systems: support – Computer power control – Power conservation
Patent
1999-08-18
2000-09-05
Etienne, Ario
Electrical computers and digital processing systems: support
Computer power control
Power conservation
713310, 713323, 713324, 713300, 710 9, 710 16, 710 18, G06F 126, G06F 132
Patent
active
061158232
ABSTRACT:
In a computer system having a device and a communications link for communicating with the device. A method for dynamically managing power consumption by the computer system comprises associating a particular device identifier with the device. Communications are monitored over the communications link to determine whether the communications include the particular device identifier. A clock input is withheld from the device when the communications do not include the particular device identifier. Clock input is provided to the device only when the communications include the particular device identifier. The clock input causes the device to transition from a non-operational power conservative state to an operational state wherein the device consumes more power than in the non-operational state. A performance requirement is established for a task to be executed. Clock frequency is dynamically controlled according to the performance requirement established for the task being executed.
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Fung Henry T.
Mitchell Phillip M.
Phung Xuyen N.
Velasco Francisco
Amphus, Inc.
Etienne Ario
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