MSI MS-7222-020 User Guide - Page 36

Jumpers - v ram

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MS-7222 Micro-ATX Mainboard Jumpers The motherboard provides the following jumpers 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: JBAT2 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 automatically boot OS every time it is turned on. If you want to clear the system configuration, use the JBAT2 (Clear CMOS Jumper ) to clear data. Follow the instructions below to clear the data: 1 JBAT2 1 1 3 Keep Data 3 Clear 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 Flash Jumper: JWP1 This jumper is used to lock or unlock the boot block area on BIOS. When unlocked, the BIOS boot block area can be updated. When locked, the BIOS boot block area cannot be updated. 2-20 BIOS Flash Locked BIOS Flash Unlocked

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2-20
MS-7222 Micro-ATX Mainboard
The motherboard provides the following jumpers 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: JBAT2
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 JBAT2 (Clear CMOS Jumper ) to clear data.
Follow the instructions below to
clear the data:
Jumpers
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
Clear Data
1
3
Keep Data
1
3
JBAT2
BIOS Flash Jumper: JWP1
This jumper is used to lock or unlock the boot block area on BIOS. When
unlocked, the BIOS boot block area can be updated. When locked, the BIOS boot
block area cannot be updated.
BIOS Flash Unlocked
BIOS Flash Locked