Intel SG-81 - Manual (Page 18)

2-8 Chapter 2
2.3.6. Front Panel Audio Connection Header (FPIO-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 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 +5V used by Analog Audio Circuits
5 AUD_F_R Right Channel audio signal to Front Panel
6 AUD_RET_R
Right Channel Audio signal to Return from
Front Panel
7 REVD Reserved
8 Key No Pin
9 AUD_F_L Left Channel Audio signal to Front Panel
10 AUD_RET_L
Left Channel Audio signal to Return from Front
Panel
SG-80 Series