Operating processor below maximum turbo mode frequency by sending higher than actual current amount signal to monitor

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United States of America Patent

PATENT NO 8429441
APP PUB NO 20110258477A1
SERIAL NO

12762419

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Abstract

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A method, computer program product and system for controlling the maximum turbo mode of a processor in a turbo boost state. The method comprises limiting a maximum turbo mode available to the processor by over-reporting the amount of current drawn by the processor to the current monitoring feedback line to the processor, wherein the processor uses the over-reported current to maintain operation of the processor within performance specifications of the processor. An automatic calibration routine may be used to determine nominal amounts of current over-reporting that may be used to prevent the processor performance from exceeding the maximum turbo mode. In one embodiment, a digital potentiometer is included in the voltage regulator circuit to over-report the current as instructed.

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Patent Owner(s)

Patent OwnerAddress
LENOVO INTERNATIONAL LIMITED23/F LINCOLN HOUSE TAIKOO PLACE 979 KING'S ROAD QUARRY BAY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Baker, Brian A Raleigh, US 36 553
Bandholz, Justin P Cary, US 46 491
Cox,, Jr William H Morrisville, US 2 34
Kochar, Sumeet Apex, US 62 518
Zapata, Ivan R Cary, US 12 494

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