Connecting Optional Devices - ECS 761GXM-M Manual

Connecting Optional Devices

Refer to the following for information on connecting the motherboard's optional devices:
AUDIO1: Front Panel Audio header
This header allows the user to install auxiliary front-oriented microphone
and line-out ports for easier access.
Pin Signal Name
1
AUD_MIC
2
AUD_GND
3
AUD_MIC_BIAS Microphone Power
4
AUD_VCC
5
AUD_F_R
6
AUD_RET_R
7
REVD
8
Key
9
AUD_F_L
10
AUD_RET_L
Installing the Motherboard
Pin Signal Name
Function
Front Panel Microphone input signal
Ground used by Analog Audio Circuits
Filtered +5V used by Analog Audio Circuits
Right 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
23