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A57A

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

Note: 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.

JSPDIFOUT1: Digital Audio-out Connector

This connector allows user to connect the PCI bracket SPDIF output header.

Assignment

1 +5V

2 SPDIF_OUT

3 Ground

Biostar A57A User Manual

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