User`s guide

3. A jumper’s setting is determined by where the jumper is
placed on the pins. Use the table below to identify the pin
settings for 2-, 3-, and 4-pin jumpers. To identify the pin
numbers, look at the system board near the jumper.
Jumper positions
Type
2-pin
3-pin
4-pin
Position
On
Off
2-3
2-3
To move a jumper from one position to another, use
needle-nose pliers or tweezers to pull it off its pins and
gently move it to the desired position.
Caution
Be careful not to bend the jumper pins or damage any
components on the main system board.
4. Replace any option cards you removed, if necessary; see
“Installing an Option Card” for instructions.
Installing and Removing Options 4-11