ECS 915G-M5 - Page 29

23
Installing the Motherboard
F_AUDIO1: 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 Filtered +5V 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_AUDIO2: 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.