Checking Jumper Settings
The following illustration shows the location of the mainboard jumpers. Pin 1 is
labeled.
Jumper Settings
Jumper
Type
JP1
3-pin
Clear CMOS
JP2
3-pin
BIOS Flash pro-
tect
Jumper 1 –
Use this jumper to clear the contents of the CMOS memory.
You may need to clear the CMOS memory if the settings in
the Setup Utility are incorrect and prevent your mainboard
from operating. To clear the CMOS memory, disconnect all
the power cables from the mainboard and then move the
jumper cap into the CLEAR setting for a few seconds.
Jumper 2 –
This jumper enables you to prevent the BIOS from being
updated (flashed). Short pin 1-2 if you want to update your
BIOS. After updating, short pin 2-3 to protect the BIOS from
being flashed.
Description
1-2: Normal
2-3: Clear CMOS
1-2: Write Enabled
2-3: Write Disabled
8
Setting (default)
JP1
1
JP2
1