Motherboard Manual
12
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
10
Key
J_PRINT1: 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
