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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.
Keep Data
Note:
You can clear CMOS by shorting 2-3 pin, while the system is off.
Then, return to 1-2 pin position. Avoid clearing the CMOS while
the system is on; it will damage the mainboard.
1
2
3
2-19
JBAT1
1
2
3
Clear Data
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