Dynamic power saving by monitoring CPU utilization
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jun 3, 2003
Grant Date -
N/A
app pub date -
Apr 14, 2000
filing date -
Apr 14, 2000
priority date (Note) -
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Abstract
A CPU activity monitoring circuit is electrically connected to a CPU. This circuit monitors the state of a bus signal line on the CPU, as there is a strong correlation between the state of this line and the processing load of the CPU. This circuit can interrupt the processor to force an interrupt service call to a BIOS routine. This BIOS routine will adjust the internal clock frequency, or internal operating voltage, of the CPU based upon the perceived processing load of the CPU.
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