KM400A Series
20
Clear CMOS Jumper: JP1
The “Clear CMOS” jumper is used when you cannot boot your system due to some CMOS
configuration problem such as a forgotten password. This jumper allows you to reset the CMOS
configurations, and then reconfigure.
1.
Turn off your system and disconnect the AC power cable.
2.
Set JP1 to OFF (2-3 Closed).
3.
Wait several seconds.
4.
Set JP1 to ON (1-2 closed).
5.
Connect the AC power cable and turn on your system.
6.
Reset your desired password or clear CMOS data.
The following procedures are for resetting the BIOS password. It is
important to follow these instructions closely.
1
1
9
2
BI
O
S
RO
M
1
A
udi
o
Co
d
e
c
1
1
S
o
ck
e
t
46
2
1
9
2
10
1
9
2
10
1
5
2
6
1
9
2
10
2
1
1
9
2
10
1
9
2
10
VIA
KM
4
0
0
A
W
inb
on
d
W
836
9
7
H
F
1
2
1
1
9
10
1
1
9
2
10
JP
1
B
A
T1
1
9
10
1 2
VT
6
3
0
7
JP1
JP1
1
1
2
2
3
3
Pin1-2 short
Pin2-3 short
Normal (default)
Clear CMOS data
(Short means to cover two pins on
a jumper using a jumper cap.)
