Jumper; Clear Cmos Jumper: Jbat1 - MSI MEGA MPC 945 User Manual

2.8 Jumper

Clear CMOS Jumper: JBAT1

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 system can auto-
matically 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:
JBAT1
MSI Reminds You...
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
Keep Data Clear Data
2-16
1
3