Biostar G31-M4 Setup Manual - Page 17
JCOM1: Serial Port Connector, JPRNT1: Printer Port Connector
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JCOM1: Serial Port Connector G31-M4 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 2 10 8 Clear to send 9 Ring indicator 10 Key 1 9 JPRNT1: Printer Port Connector This header allows you to connector printer on the PC. Pin Assignment 1 -Strobe 2 -ALF 3 Data 0 4 -Error 5 Data 1 6 -Init 7 Data 2 8 -Scltin 9 Data 3 10 Ground 11 Data 4 12 Ground 13 Data 5 2 26 1 Pin 14 15 16 17 18 19 20 21 22 23 24 25 26 25 Assignment Ground Data 6 Ground Data 7 Ground -ACK Ground Busy Ground PE Ground SCLT Key 15
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G31-M4
15
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
Key
1
2
9
10
JPRNT1: Printer Port Connector
This header allows you to connector printer on the PC.
1
2
25
26
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