GIGABYTE AMD Socket 754 Processor Motherboard GA-K8NE-RH - Manual (Page 25)

Hardware Installation - 25 -
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16) BAT (Battery)
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type recommended
by the manufacturer.
Dispose of used batteries according to the manufacturer's
instructions.
If you want to erase CMOS...
1. Turn OFF the computer and unplug the power cord.
2. Take out the battery gently and put it aside for about 10
minutes (Or you can use a metal object to connect the
positive and negative pins in the battery holder to make them
short for one minute).
3. Re-install the battery.
4. Plug the power cord and turn ON the computer.
15) CLR_CMOS (Clear CMOS)
You may 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 1
1