GIGABYTE GA-8I865GME-775-RH - Manual (Page 26)

GA-8I865GME-775-RH (rev. 2.0) Motherboard - 26 -
English
15) 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. Gently take out the battery and put it aside for about one minute.
(Or you can use a metal object to connect the positive and
negative pins in the battery holder to make them short for five
seconds.)
3. Re-install the battery.
4. Plug the power cord in and turn on the computer.