
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
jumper
1-2: Normal
2-3: Clear CMOS
JP1
1
JP2
3 pin
BIOS flash pro-
tection jumper
1-2: Unprotected
2-3: Protected
JP2
1
JP3 3
pin
CPU
Frequency
select jumper
1-2: Auto
2-3: 133 MHz
JP3
1
JP4 9-pin
CPU
voltage
adjustment
jumper
1-2, 4-5, 7-8: Default
setting
See table on following
page for settings.
JP4
1
JP1 -
This jumper enables you to reset BIOS. Follow these instructions:
1.
Turn the system off.
2.
Short pins 2 and 3 on JP1.
3.
Return the jumper to the normal setting.
9