2-16
MS-9643 Mainboard
Jumpers
Clear CMOS Jumper: JBAT1
There is a CMOS RAM onboard that has a power supply from external battery to keep
the data of system configuration. With the CMOS RAM, the system can automatically
boot OS every time it is turned on. If you want to clear the system configuration, set
the JBAT1 (Clear CMOS Jumper ) to clear data.
Important
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.
JPWD1
Clear BIOS Password Jumper: JPWD1
The jumper is used to clear the BIOS password. You can clear BIOS password by
shorting this jumper with a jumper cap while the system is off. Then restart the
system. Be sure to remove the jumper cap to return to normal operation on next boot.
Avoid clearing the password while the system is on; it will damage the mainboard.
Clear Normal
JBAT1
1
Keep Data Clear Data
3
13
1
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