ECS X79R-AX Manual page 25

For AC'97 HD Front Audio
Pin Description
1 Front panel microphone input signal
3 Microphone power
5 Right channel to front panel
7 RSVD
9 Left channel to front panel
AC' 97 Audio Configuration: To enable the front panel audio conne-
ctor to support AC97 Audio mode.
If you use AC' 97 Front Panel, please tick off the option of
Detect " . If you use HD Audio Front Panel, please
Panel Detect " .
Pin
*For reference only
Installing the Motherboard
Description
2 Analog ground
4 Analog power( +5V )
6 Right channel return from front panel
8 No pin
10 Left channel return from front panel
" Disabled Front Panel
don' t tick off " Disabled Front
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