Biostar A78MD 6.0 User Manual download pdf (Page 17)

A75MD+/A78MD

F_AUDIO1: Front Panel Audio Header

This header allows user to connect the front audio output cable with the PC front

panel. This header supports HD and AC’97 audio front panel connector.

HD Audio AC’97

Pin Assignment Pin Assignment

1 Mic Left in 1 Mic In

2 Ground 2 Ground

3 Mic Right in 3 Mic Power

4 GPIO 4 Audio Power

5 Right line in 5 RT Line Out

6 Jack Sense 6 RT Line Out

7 Front Sense 7 Reserved

8 Key 8 Key

9 Left line in 9 LFT Line Out

10 Jack Sense 10 LFT Line Out

Note1: It is recommended that you connect a high-definition front panel audio module to

this connector to avail of the motherboard's high definition audio capability.

Note2: Please try to disable the "Front Panel Jack Detection" if you want to use an

AC'97 front audio output cable. The function can be found via O.S. Audio Utility.

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

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Biostar A78MD 6.0 User Manual Page 17