2-19
Hardware Setup
MS-7623
Chapter 2
Jumpers
Clear CMOS Jumper: JBAT1
There is a CMOS RAM onboard that has a power supply from an external battery to
keep the data of system conguration. With the CMOS RAM, the system can automati-
cally boot OS every time it is turned on. If you want to clear the system conguration,
set the jumper to clear data.
JBAT1 Keep Data Clear Data
1 11
Important
You can clear CMOS by shorting 2-3 pin while the system is o. Then return to 1-2
pin position. Avoid clearing the CMOS while the system is on; it will damage the main-
board.