Motherboard Manual
14
JCMOS1: Clear CMOS Header
Placing the jumper on pin2-3 allows user to restore the BIOS safe setting and
the CMOS data. Please carefully follow the procedures to avoid damaging the
motherboard.
1
3
Pin 1-2 Close:
Normal Operation
(default).
1
3
1
3
Pin 2-3 Close:
Clear CMOS data.
※
Clear CMOS Procedures:
1.
Remove AC power line.
2.
Set the jumper to “Pin 2-3 close”.
3.
Wait for five seconds.
4.
Set the jumper to “Pin 1-2 close”.
5.
Power on the AC.
6.
Load Optimal Defaults and save settings in CMOS.
J_COM1: Serial port Connector
The motherboard has a Serial Port Connector for connecting RS-232 Port.
Pin
Assignment
1 Carrier
detect
2 Received
data
3 Transmitted
data
4 Data
terminal
ready
5 Signal
ground
6
Data set ready
7
Request to send
8 Clear
to
send
9 Ring
indicator
1
9
2
1 0
10 NC
