Dynamically controlling a power state of a graphics adapter
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United States of America Patent
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Mar 9, 2004
Grant Date -
N/A
app pub date -
Aug 26, 1999
filing date -
Aug 26, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
A computer system includes a power source to provide either alternating current from an electrical outlet or direct current from a battery pack. The system also includes a graphics adapter having a clock device that may be regulated based on a power state of the power source. The clock device of the graphics adapter may be set to a high frequency to provide increased graphics performance when the power source is furnishing alternating current to the system. Alternatively, when the power source is providing direct current, the clock device of the graphics adapter may be set to a lower frequency to conserve power.
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