Apparatus and method to handle power supply failures for a peripheral device
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United States of America Patent
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-
Feb 7, 2006
Grant Date -
May 6, 2004
app pub date -
Oct 21, 2003
filing date -
Nov 14, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
One embodiment of the invention is directed to a data processing system that includes an electrical detection circuit to determine whether the electrical power is going from 'on' to 'off,' or changing from 'off' to 'on;' a peripheral device, including a processor to calculate the amount of electrical energy required for the peripheral device to perform a task; a task queue for the peripheral device that can be read to find a task if the electrical power is going from 'on' to 'off;' and a non-volatile memory, including a task queue to store data describing the task if insufficient electrical energy remains available to the peripheral device to complete the task.
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