Biostar AM1MD - Page 16

Motherboard Manual
14
COM: 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 read
y
5Si
g
nal
g
round
6 Data set read
y
7 Request to send
8 Clear to send
9 Ring indicator
10 Key
PRINT: Printer Port Connector
This header allows you to connector printer on the PC.
Pin Assignment Pin Assignment
1 -Strobe 14 Ground
2 -ALF 15 Data 6
3 Data 0 16 Ground
4 -Error 17 Data 7
5 Data 1 18 Ground
6 -Init 19 -ACK
7 Data 2 20 Ground
8 -Scltin 21 Busy
9 Data 3 22 Ground
10 Ground 23 PE
11 Data 4 24 Ground
12 Ground 25 SCLT
13 Data 5 26 Key