Hardware Setup

Jumpers

Clear CMOS Jumper: JBAT1

There is a CMOS RAM on board with an external battery power supply to preserve the system configuration data. 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 jumper to clear data.

1

1

1

JBAT1

Keep Data

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.

2-20

Page 36
Image 36
MSI P67A-GD55 (B3) manual Jumpers, Clear Cmos Jumper JBAT1