Patent ID: 7840791
Filing Date: 2010-11-23
Classification: G06F

Abstract:
1. A reset device for a computer system, the reset device comprising: a hardware-reset signal generating circuit for outputting a hardware-reset signal to reset the computer system; a switch connected to the hardware-reset signal generating circuit, the hardware-reset signal generating circuit outputting the hardware-reset signal when the switch is on; a timing circuit set for outputting a controlling signal after a predetermined time that the switch has been on has passed; a latch circuit communicating with a central processing unit (CPU) of the computer system and the timing circuit, the latch circuit latching the controlling signal and delivering the controlling signal to the CPU, the CPU controlling system settings to resume default values based on the controlling signal; wherein the timing circuit comprises a timer, with a first resistor, a capacitor and a second resistor connected in series between a first pin and a second pin of the timer in that order, a node between the capacitor and the second resistor is connected to a third pin of the timer.