Biostar A55MD2 Owner's Manual download pdf (Page 17)

A55MD2 / A55MG2 / A55ML2

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 read

5Si

nal

round

6 Data set read

7 Request to send

8 Clear to send

9 Ring indicator

10 NC

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

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 50 51

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Biostar A55MD2 Owner's Manual Page 17