Front Panel Audio Connection Header (Audio1) - Abit VA-20 User Manual

2-14
2.5.8.

Front Panel Audio Connection Header (AUDIO1)

This header provides the connection to audio connector at front panel.
•
To use the audio connector at front panel, remove all the jumpers on this
header, and then connect to front panel by the extension cable provided with
the chassis.
•
To use the audio connector at rear panel, disconnect the extension cable,
attach the jumpers back at pin 5-6, and pin 9-10 (default setting).
Pin Signal Name
1 AUD_MIC
2 AUD_GND
3 AUD_MIC_BIAS
4 AUD_VCC Filtered
5 AUD_F_R Right
6 AUD_RET_R
7 REVD
8 Key
9 AUD_F_L
10 AUD_RET_L
VA-20
Function
Front Panel Microphone input signal
Ground used by Analog Audio Circuits
Microphone Power
+5V used by Analog Audio Circuits
Channel audio signal to Front Panel
Right Channel Audio signal to Return from Front
Panel
Reserved
No Pin
Left Channel Audio signal to Front Panel
Left Channel Audio signal to Return from Front
Panel
Chapter 2