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Connecting Optional Devices

Refer to the following for information on connecting the motherboard’s op-

tional 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 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 +5 V 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 Head-

phone Amplifier

8 KEY No Pin

9 AUD_FPOUT_L Left Channel Audio signal to Front Panel

10 AUD_RET_L Left Channel Audio signal Return from

Front Panel

ECS L7VMM2 User Manual

Questions and Answers: