Biostar TA790GX XE Setup Manual - Page 20

JCOM1: Serial port Connector, JUSBV1/JUSBV2: Power Source Headers for USB Ports

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Motherboard Manual JCOM1: 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 2 10 10 NC 1 9 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. 13 JUSBV1 13 Pin 1-2 close JUSBV2 3 1 13 Pin 2-3 close 18

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Motherboard Manual
18
JCOM1: 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
10
NC
1
2
9
10
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.
1
3
Pin 1-2 close
1
3
1
3
JUSBV1
JUSBV2
1
3
Pin 2-3 close