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Chapter 2
Front Panel Audio Connector: JAUDIO1
You can connect an optional audio connector to the Front Panel Audio pin-
header. Pin numbers 1 to 10 of the audio pin header are compliant to the Intel
Front Panel I/O Connectivity Design Guide.
19
20
JAUDIO1
Pin
1
2
3
4
5
6
7
8
9
10
Pin
1 1
12
13
14
15
16
17
18
19
20
1
9
2
10
JAUDIO1 Pin Definition (1~10)
Signal
Description
AUD_MIC
Front Panel Microphone input signal
AUD_GND
Ground used by Analog Audio Circuits
AUD_MIC_BIAS
Microphone Power
AUD_VCC
Filtered +5V used by Analog Audio Circuits
AUD_FPOUT_R
Right Channel Audio signal to Front Panel
AUD_RET_R
Right Channel Audio signal Return from Front Panel
HP_ON
RSVD for future use to control Headphone Amplifier
NC
No Connection
AUD_FPOUT_L
Left Channel Audio signal to Front Panel
AUD_RET_L
Left Channel Audio signal Return from Front Panel
JAUDIO1 Pin Definition (11~20)
Signal
Description
AUD_MIC
Front Panel Microphone input signal
AUD_GND
Ground used by Analog Audio Circuits
AUD_FPOUT_R
Right Channel Audio signal to Front Panel
AUD_RET_R
Right Channel Audio signal Return from Front Panel
AUD_FPOUT_L
Left Channel Audio signal to Front Panel
AUD_RET_L
Left Channel Audio signal Return from Front Panel
AUD_GND
Ground used by Analog Audio Circuits
NC
No Connection
LINE-IN-R
Line in Right
LINE-IN-L
Line in Left
2-16
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