8
Checking Jumper Settings
The following illustration shows the location of the mainboard jumpers. Pin 1 is
labeled.
Jumper Settings
Jumper
Type
Description
Setting
JP1
3-pin
Clear CMOS
1-2: Normal (default)
2-3: Clear CMOS
JP1
1
JP3
2-pin
BIOS Flash
Protect
Open: Flash (Default)
Short: Flash Pr otect
JP3
JP4
3-pin
LAN Select
On Board
2-3: Disable
1-2: Enable
JP4
1
JP1
–
Enables you to clear the BIOS. Refer to the following in-
structions:
1. Turn the system off.
2. Remove all ATX power connectors (including ATX1 and
ATX12V).
3. Short pins 2 and 3 on JP1.
4. Return the jumper to the normal setting.
5. Plug in all ATX power connectors.
