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A battery must be used to retain the mainboard configuration in CMOS
RAM. To retain the on-board battery you must always short pins 1-2 of
JVBAT1.
Note: You can clear CMOS by shorting 2-3 pin, while the system is
off. Leave for about 5 to 10 seconds. Then, return to 1-2 pin
position. Avoid clearing the CMOS while the system is on for
it will damage the mainboard. Always unplug the power cord
from the wall socket.
JVBAT1
1
3
3
1
2-15
3
1
JVBAT1
(Default)
Function
Keep Data
Clear Data
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