Gigabyte GA-3CESL-RH User Manual page 26

GA-3CESL-RH Motherboard
25 ) CLR_CMOS1 (Clear CMOS Jumper)
You may clear the CMOS data to restore its default values by this jumper.
Default value doesn't include the "Shunter" to prevent from improper use this jumper. To
clear CMOS, temporarily short 2-3 pin.
1 1-2 Close: Clear CMOS
1
2-3 Close: Normal (Default setting)
2 6