Gigabyte C7V7-CSI User Manual page 18

12) CLR_CMOS (Clear CMOS)
You may clear the CMOS data to its default values by this header. To clear CMOS, temporarily
short the two pins. Default doesn't include the jumper to avoid improper use of this header.
GA-C7V7-RH Motherboard
Open: Normal
Short: Clear CMOS
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