Jumpers; Clear Cmos Jumper: Jbat1; Bios Write Protect Jumper: Bios_Wp (Optional) - MSI 945GM2-FR User Manual

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The motherboard provides the following jumper for you to set the computer's
function. This section will explain how to change your motherboard's function through
the use of jumpers.

Clear CMOS Jumper: JBAT1

There is a CMOS RAM on board that has a power supply from external battery
to keep the system configuration data. With the CMOS RAM, the system can automati-
cally boot OS every time it is turned on. 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:
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.

BIOS Write Protect Jumper: BIOS_WP (Optional)

This jumper is used to lock or unlock the boot block area on BIOS. W hen
unlocked, the BIOS boot block area can be updated. W hen locked, the BIOS boot
block area cannot be updated.
1
BIOS_WP

Jumpers

1
JBAT1
3
1
3
Keep Data
Clear Data
1
Unlocked
(Enable BIOS Flash)
Hardware Setup
1
1
Locked
(Disable BIOS Flash)
2-21

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