Biostar TA790GX 128M Setup Manual page 22

Motherboard Manual
JCOM1: Serial port Connector
The motherboard has a Serial Port Connector for connecting RS-232 Port.
JUSBV1/JUSBV2: Power Source Headers for USB Ports
Pin 1-2 Close:
JUSBV1: +5V for USB ports at JUSB1/JUSBLAN1.
JUSBV2: +5V for USB ports at JUSB3/JUSB4/JUSB5.
Pin 2-3 Close:
JUSBV1: +5V STB for USB ports at JUSB1/JUSBLAN1.
JUSBV2: +5V STB for USB ports at JUSB3/JUSB4/JUSB5.
20
Pin
1
2
3
4
5
6
7
8
9
10
2 10
1 9
JUSBV1
1
3
JUSBV2
1 3
Assignment
Carrier detect
Received data
Transmitted data
Data terminal ready
Signal ground
Data set ready
Request to send
Clear to send
Ring indicator
NC
1
3
Pin 1-2 close
1
3
Pin 2-3 close