Abit SG-71 User Manual page 40

3-8
(3). AUDIO1 Header: Front Panel Audio Header
Pin
AUD_MIC
1
2 AUD_GND
3 AUD_MIC_BIAS
AUD_VCC
4
AUD_FPOUT_R
5
AUD_RET_R
6
HP_ON
7
KEY
8
9 AUD_FPOUT_L
AUD_RET_L
10
(4). CDIN1 and CDIN2 Connectors: CD Audio Signal Input Connectors
SG-71
Signal Name
Front panel microphone input signal
Ground used by analog audio circuits
Microphone power
Filtered +5 V used by analog audio circuits
Right channel audio signal to front panel
Right channel audio signal to return from front
panel
Reserved for future use to control headphone
amplifier
No pin
Left channel audio signal to front panel
Left channel audio signal return from front
panel
This header allows the user to install auxiliary
front-oriented mocrophone and line-out ports for
easier access.
Note: Watch the pin position and the orientation
Function
These connectors connect to the audio output of
internal CD-ROM drive or add-on card audio output.
There are two types connectors can let you choose
to connect CD audio.
Note: Watch the pin position and the orientation
Chapter 3