MSI X58A-GD45 - Manual (Page 36)

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Hardware Setup MS-7522
Chapter 2
Hardware Setup MS-7522
Chapter 2
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.
JBAT1 Keep Data Clear Data
1 1 1
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 main-
board.