Circuit for clearing CMOS information

Details Circuit for clearing CMOS information Circuit for clearing CMOS information

2008-11-10

2010-11-23

Donovan, Lincoln (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Synchronizing

C713S300000

Reexamination Certificate

active

07839188

ABSTRACT:
A circuit for clearing complementary metal oxide semiconductor (CMOS) information of a CMOS chip of a computer includes a resistor and an electronic switch. The electronic switch includes a first terminal, a second terminal, and a third terminal. The first terminal is connected to a standby power supply of the computer. The second terminal is connected to a software reset pin of the CMOS chip. The third terminal is connected to a dual power supply of the computer via the resistor, and is connected to a hardware reset pin of the computer. The standby power supply is provided, and the first electronic switch is turned on before the computer is booted up. The software reset pin may be triggered to clear CMOS information of the CMOS chip upon the condition that the hardware reset pin is triggered.

REFERENCES:
patent: 7639063 (2009-12-01), Xiong

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