Internal Audio Connectors; Front Panel Audio Connection Header - Abit IL9 Pro Installation Manual

1.7.4 Internal Audio Connectors

This connector connects to the audio output of internal CD-ROM drive
or add-on card.
IL9 Pro/IL9 Pro-V

1.7.5 Front Panel Audio Connection Header

This header provides the connection to audio connector at front panel.
Pin Signal Name Function
1 AUD_MIC Front Panel Microphone input signal
2 AUD_GND Ground used by Analog Audio Circuits
3 AUD_MIC_BIAS Microphone Power
4 AUD_VCC Filtered
5 AUD_F_R Right Channel audio signal to Front Panel
Right Channel Audio signal to Return
6 AUD_RET_R
from Front Panel
7 REVD Reserved
8 Key No Pin
9 AUD_F_L Left Channel Audio signal to Front Panel
Left Channel Audio signal to Return from
10 AUD_RET_L
Front Panel
+5V used by Analog Audio Circuits
11