Method and apparatus for asserting a hardware pin to disable a data bus connecting a processor and a chipset during power saving state

作者: Jen-Chieh Chen

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摘要: A power saving method is disclosed. halt instruction issued to enable transition from an operational state a state. The processor broadcasts message chipset. chipset receives the sleep and enters state, asserts hardware pin disable data bus connecting It determined whether request for transaction required during process If chipset, deasserts bus, transmits processor; and, when complete, by bus.

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