Motherboard Manual
16
JCMOS: Clear CMOS Header
By placing the jumper on pin2-3, it allows user to restore the BIOS safe setting
and the CMOS data, please carefully follow the procedures to avoid damaging
the motherboard.
3 1
Pin 1-2 Close:
Normal Operation (default).
3 1
3 1
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.
Reset your desired password or clear the CMOS data.
JCOM: 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
10
10 NC
