POWER MANAGEMENT BY SELECTIVE AUTHORIZATION OF THE ELEVATED POWER STATES OF COMPUTER SYSTEM HARDWARE DEVICES, PARTICULARLY FOR RESTRICTING MAXIMAL POWER USE

摘要

PURPOSE: A power management by selective authorization of the elevated power states of computer system hardware devices is provided to reduce the maximal power use of a computer system by restricting the hardware devices from entering an elevated power state.;CONSTITUTION: A power management device(24) electrically communicates with hardware devices(12), and the hardware devices are mutually operated in the different power sates including elevated power states, and individually requests the operation of the elevated power state. The power management device is operated in the elevated power state during designated period continuously, and selectively permits the request from the devices. The power management device cancels the permission of the devices which are operated in the elevated power state after the expiration of the designated period.;COPYRIGHT KIPO 2011