Chapter 3
SG-71
3-8
(3). AUDIO1 Header: Front Panel Audio Header
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
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
Fi5 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 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
(4). CDIN1 and CDIN2 Connectors: CD Audio Signal Input Connectors
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
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Страница 32: ...Chapter 2 SG 71 2 4 2 4 Layout Diagram for SG 71 Figure 2 1 SG 71 motherboard component location ...
Страница 50: ...Chapter 3 SG 71 3 18 ...
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Страница 114: ...Appendix I SG 71 I 4 ...