
9
Checking Jumper Settings
The following illustration shows the location of the mainboard jumpers. Pin 1 is
labeled.
Jumper Settings
Jumper
Type
Description
Setting (
default
)
JP1
3-pin
Clear CMOS
1-2: Normal
2-3: Clear
J
P
1
1
JP2
2-pin
BIOS flash
protection
Short: Flash protect
Open: Flash
JP2
JP4
3-pin
Disable USB
function
1-2: Enabled
2-3: Disabled
J
P
4
1
JP1
– 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 main-
board and then move the jumper cap into the CLEAR setting for a