Gigabyte GA-Z77X-UP5 TH rev. 1.0 User Manual page 37

19) CLR_CMOS (Clear CMOS Jumper)
CMOS values to factory defaults. To clear the CMOS values, use a metal object like a screwdriver to touch
the two pins for a few seconds.
Always turn off your computer and unplug the power cord from the power outlet before clearing
the CMOS values.
After system restart, go to BIOS Setup to load factory defaults (select Load Optimized Defaults) or
Hardware Installation
Open: Normal
Short: Clear CMOS Values
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