Gigabyte GA-K8N51PVMT-9-RH user manual Clrcmos Clear Cmos, CI Chassis Intrusion, Case Open

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17)CLR_CMOS (Clear CMOS)

You may clear the CMOS data to its default values by this header. To clear CMOS, temporarily short 1-2 pin. Default doesn't include the jumper to avoid improper use of this header.

1 Open: Normal

1 Short: Clear CMOS

18)CI (Chassis Intrusion, Case Open)

This 2-pin connector allows your system to detect if the chassis cover is removed. You can check the "Case Open" status in BIOS Setup.

	Pin No.	Definition
1	1	Signal
	2	GND

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