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A battery must be used to retain the mainboard configuration in CMOS
RAM. If you use the on-board battery, you must short 1-2 pins of JBAT1
to keep the CMOS data.
Note: To short the CMOS data, turn off the system and unplug the power
cord for about 10 seconds afterwhich, move jumper cap from pin 1-2
to 2-3 and back to 1-2 pin position. Avoid clearing the CMOS while
the system is on; it will damage the mainboard.
1
2
3
Keep Data
1
2
Clear Data
2-20
1
3
JBAT1
3
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