Computer system having power supply primary sense to facilitate performance of tasks at power off

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6081752
SERIAL NO

08990051

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A computer system having suspend and resume capabilities that uses the hard drive to extend the amount of nonvolatile memory (NVRAM) in the system. As the system is powered down, the system processor saves to the hard drive system parameters such as: resource allocation data determined pursuant to the Plug & Play specification, total power on hours for the system, the number of power on cycles for the system, error codes, and the dates the errors occurred. The saving to hard drive begins responsive to circuitry monitoring the primary (AC input) portion of the power supply indicating that the power supply input is out of tolerance, as would occur when the user actuates the power switch to turn the system off or during a blackout. During the period of reliable processing time remaining, the above system parameters are written to the hard file. The system parameters are also saved to the hard file during the controlled power off that occurs as the system state is suspended.

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Patent Owner(s)

Patent OwnerAddress
LENOVO PC INTERNATIONAL23/F LINCOLN HOUSE 979 KING'S ROAD QUARRY BAY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Benson, IV Paul Harrison Raleigh, NC 4 130
Crump, deceased Duane Thomas late of Lexington, KY 1 41
Hemena, William Raleigh, NC 27 485
Norris, Duane Edward Raleigh, NC 9 167
Pancoast, Steven Taylor San Jose, CA 9 520

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