Manual for P4N series
Installation Instructions
Jumper Settings
Jumpers are located on the mainboard, they represent, clear CMOS jumper JCC, enable
BIOS Protection function jumper JAV etc. Pin 1 for all jumpers are located on the side with a
thick white line ( Pin1
→
), refer to the mainboards silkscreen. Jumpers with three
pins will be shown as to represent pin1 & pin2 (1-2)connected and
to represent pin2 & pin3 (2-3)connected.
3-pin
2-pin
set pin1 and pin2 closed
Symbol
Jumper
set the pins closed
set pin2 and pin3 closed
set the pins opened
Description
1-2
2-3
close
open
Represent
Clear CMOS (JCC)
If you want to clear CMOS, unplug the AC power supply first, close JCC (pin1 & pin2)
once, set JCC back to the normal status with pin2 & pin3 connected, then power on the
system.
JCC
JCC
(
Unplug the AC power supply
)
Normal
status(Default):
Clear CMOS:
1
3
2
1
3
2
