COMPUTER SYSTEM AND METHOD FOR CONTROLLING OPERATING FREQUENCY OF PROCESSOR
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United States of America Patent
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app pub date -
Aug 1, 2016
filing date -
Jul 1, 2016
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Abstract
A computer system including a PCH (platform controller hub), a CPLD (complex programmable logic device), a first switch and a processor, and a control method are provided to control the operation frequency of the processor. The CPLD is coupled to the PCH and the first switch. The processor is coupled to the first switch. The PCH produces and outputs a second control signal according to the first firmware and a first control signal from a command input unit. The CPLD produces and outputs a third control signal according to the second firmware and the second control signal. The first switch receives the third control signal and is turned on to output a triggering signal when the third control signal is valid. The processor includes a PROCHOT pin. The processor receives the triggering signal and triggers the PROCHOT pin for frequency control.
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