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2.8 Jumpers
There is a CMOS RAM on board that has a power supply from external
battery to keep the data of system configuration. With the CMOS RAM, the sys-
tem can automatically boot OS every time it is turned on. That battery has long
life time for at least 2 years. If you want to clear the system configuration, use
the JBAT1 (Clear CMOS Jumper ) to clear data. Follow the instructions below to
clear the data:
Clear CMOS Jumper: JBAT1
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
3
3
1
Keep Data
Clear Data
Introducing Mainboard
2-19
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