Specifications

21
Installing the Motherboard
Connecting Optional Devices
Refer to the following for information on connecting the motherboard’s optional devices:
For some add-on cards, for example graphics adapters and network adapt-
ers, you have to install drivers and software before you can begin using the
add-on card.
Pin Signal Name
F_AUDIO: 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 +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 Return from Front Panel
7 HP_ON RSVD for future use to control Headphone 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