Checking Jumper Settings - Abit AB9 Pro User Manual

To install this motherboard:
1. Locate all the screw holes on
the motherboard
chassis base.
2. Place all the studs or spacers
needed on the chassis base
and have them tightened.
3. Face the motherboard's I/O
ports toward the chassis's rear
panel.
4. Line up all the motherboard's
screw holes with those studs or
spacers on the chassis.
5. Install the motherboard with
screws and
tightened.
※ To prevent shorting the PCB circuit, please REMOVE the metal studs or spacers if
they are already fastened on the chassis base and are without mounting-holes
on the motherboard to align with.

2.3 Checking Jumper Settings

For a 2-pin jumper, plug the jumper cap on both pins will make it CLOSE (SHORT). Remove the
jumper cap, or plug it on either pin (reserved for future use) will leave it at OPEN position.
SHORT
For 3-pin jumper, pin 1~2 or pin 2~3 can be shorted by plugging the jumper cap in.
Pin 1~2 SHORT
2-2
and the
have them
Pin 2~3 SHORT
OPEN OPEN
AB9 Pro, AB9