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System and method for regulating the power consumption of a computer system

  • US 7,603,571 B2
  • Filed: 10/08/2004
  • Issued: 10/13/2009
  • Est. Priority Date: 10/08/2004
  • Status: Active Grant
First Claim
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1. An information handling system, comprising:

  • an input power source, wherein the input power source is an alternating current power source;

    a power measurement module coupled to the input power source and operable to measure a set of quantifiable characteristics of the input power source;

    a power evaluation module operable to receive a measurement signal from the power measurement module;

    a power supply coupled to the power measurement module and operable to provide a power level indicator signal to the power evaluation module;

    a plurality of system components, wherein the plurality of system components includes at least one processor;

    a system regulator coupled to the power supply and providing to the power evaluation module a measurement signal related to power being consumed by the plurality of system components;

    wherein the power evaluation module evaluates a power source condition of the input power source on the basis of the measurement signal from the power measurement module and the power level indicator signal from the power supply; and

    wherein the power evaluation module is operable to issue a throttle command to the processor to place the processor in a reduced power mode if the power source condition of the input power source is sufficiently substandard.

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