PM266A PRO/ PM266A
17
Serial Port Header: COM2
lear CMOS Jumper: JP1
he “Clear CMOS” jumper is used when you cannot boot your system due to some CMOS
nfiguration problem such as a forgotten password. This jumper allows you to reset the CMOS
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.
This mainboard supports a front serial port header. To use this header, you can install a COM port
bracket (optional) with a COM port wire extending to this header. You can then attach your serial
device to the serial port on the bracket.
C
T
co
configurations, and then reconfigure.
The following procedures are for resetting the BIOS password. It is
important to follow these instructions closely.
V
IA
P
4
M
266
A
W
inb
IO
W
83697H
ond
F
S
o
cket
4
78
DIM M2
ID
E2
ID
E1
FD
C
A
GP
PC
I1
PC
I2
PC
I3
DIM M1
VI
A
V
T
8
365
VI
A
V
T
6103
1
2
2
1
1
1
1 2
BI
O
S
1
1
1
1
2
9 10
1
1
99
9
21
0
1
0
1
0
1
e
c
Co
d
1
1
1
1
9
2
10
COM2
DCD-
SIN-
DTR-
DSR-
CTS-
NC
SOUT
Ground
RTS-
RINGW
1
2
V
IA
P
4
M
266
A
W
inb
ond
IO
W
83697H
F
S
o
cket
478
DIM M2
ID
E
2
ID
E
1
FD
C
AG
P
DIM M1
VI
A
V
T
8365
PC
I1
PC
I2
PC
I3
VI
A
V
T
6103
1
1
2
2
1
1
1 2
BI
O
S
1
1
1
2
1
1
2
9 10
1
1
9
21
9
9
0
10
10
1
Co
d
e
c
1
1
JP1
1
2
3
3
Pin1-2 short
Pin2-3 short
Normal (default)
JP1
1
2
Clear CMOS data
(Short means to cover two pins on
a jumper using a jumper cap.)
1
