Wakeup event restoration after power loss

Details Wakeup event restoration after power loss Wakeup event restoration after power loss

1998-06-10

2000-04-18

Auve, Glenn A.

Electrical computers and digital processing systems: support

Computer power control

Having power source monitoring

714 22, G06F 130

Patent

active

060527935

ABSTRACT:
A basic input output system (BIOS) or equivalently functional circuitry can determine when a power on reset in a computer system is due to an invalid event (e.g. power loss) and subsequently re-enable a computer system wakeup event. Additionally, the computer system is restored to its power state prior to the invalid event, thereby advantageously allowing a computer system configuration to be returned to the desired configuration after an invalid event and without unnecessary computer system activity.

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"Advanced Configuration and Power Interface Specification," Revision 1.0, Intel Corporation/Microsoft Corporation/Toshiba Corporation, Dec. 22, 1996 (75 pages), see pp. 9-148 to 9-153 and 1-1 to 3-25.
"Advanced Power Management (APM) BIOS Interface Specification," Revision 1.2, Intel Corporation/Microsoft Corporation, Feb. 1996 (80 pages), see pp. 1-14.
"LT430TX ATX Motherboard Technical Product Specification," Intel Corporation, Apr. 10, 1997 (77 pages), see pp. 65-66.
"82371AB PCI-TO-ISA / IDE Ecelerator (PIIX4)," Intel Corporation, Apr. 1997, (284 pages), see pp. 137-148 and 228-231.

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