Specifications

Installing the Motherboard

AUDIO1: Front Panel Audio header

This header allows the user to install auxiliary front-oriented microphone and line-out ports

for easier access.

If your front panel cable is seperated, please connect it to pin1 and pin3 or

pin5 and pin7 to activate the MIC function.

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

AUX_IN: Auxiliary-in connector

This connector is an additional line-in audio connector. It allows you to attach a line-in

cable when your rear line-in jack is set as line out port for 4-channel function.

1 AUXIN_L AUX In left channel

2 AGND Ground

AGND Ground

AUXIN_R AUX In right channel

Pin Signal Name Function