DFI G486VPA User Manual page 21

Jumper JP1
Internal Battery Select
The G486VPA comes with an internal Lithium battery.
If you wish to install an external 3.6V Lithium battery,
set JP1 pins 1 and 2 to On.
1 2 3
1-2 On: External
Battery Enabled
(Default)
Note:
If you enable the external battery, you must connect the
external battery to connector JP3 or your system will
lose its CMOS settings when powered off.
Jumper JP2
CMOS Clean Select
If, for some reason, the CMOS becomes corrupted, the
system can be reconfigured with the default values
stored in the ROM BIOS. To load the default values, set
JP2 pins 2 and 3 to On for approximately two minutes,
then return to the default position.
1 2 3
1-2 On: Normal
(Default)
1 2 3
2-3 On: Internal
Battery Enabled
1 2 3
2-3 On: CMOS
Clean
Installation Overview u 2-11
G486VPA