ECS 915G-M5, Manual, Page: 29 / 94

23
Installing the Motherboard
F_AUDIO 1 : Front Panel Audio header
This header allows the user to install auxiliary front-oriented microphone and line-out ports
for easier access.
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 Fi5V used by Analog Audio Circuits
5
AUD_FPOUT_R Right Channel audio signal to Front Panel
6
AUD_RET_R Right Channel Audio signal to Return from Front Panel
7
HP_ON Reserved for future use to control Headphone Amplifier
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
Pin Signal Name Function
F_ AUDIO 2 : Front Panel Audio header for Azalia (optional)
This header allows the user to install auxiliary front-oriented microphone and line-out ports
for easier access.
1
PORT-FL
2
GND
3
PORT-FR
4
ACZ-DET
5
PORT-ER
6
AGND
7
SENSE B
8
Key
9
PORT-EL
10
GND
Pin Signal Name
If your front panel cable is seperated, please connect it to pin1 and pin3 or
pin5 and pin7 to activate the MIC function.