GIGABYTE GA-K8VM800M - Manual (Page 31)

Hardware Installation Process
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21) CI (Chassis Intrusion, Case Open)
This 2-pin connector allows your system to enable or disable the "case open" item in BIOS if the
system case begin rem ove.
Pin No. Definition
1 Signal
2 GND
1
1
1
20) CLR_CMOS (Clear CMOS)
You m ay clear the CMOS data to its default values by this jumper. To clear CMOS, temporarily
short 1-2 pin. Default doesn't include the "Shunter" to prevent from improper use this jumper.
Open: Normal
Short: Clear CMOS