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Chapter 2
Front Panel Audio Connector: JAUDIO1 or F_AUDIO(optional)
The mainboard provides one front panel audio connector for connection
to the front panel audio. Users can choose either the JAUDIO1 or the F_AUDIO
depending on their needs. The difference between JAUDIO1 & F_AUDIO is
that JAUDIO1 is compliant with Intel
Guide.
F_AUDIO
(optional)
2
10
1
9
F_AUDIO Pin Definition
Pin
Description
1
(Cut away)
3
MIC
5
Front Line Out (R) 6
7
Front Line Out (L) 8
9
GND
PIN
SIGNAL
1
AUD_MIC
2
AUD_GND
3
AUD_MIC_BIAS
4
AUD_VCC
5
AUD_FPOUT_R
6
AUD_RET_R
7
HP_ON
8
KEY
9
AUD_FPOUT_L
10
AUD_RET_L
®
Front Panel I/O Connectivity Design
Pin
Description
2
(Cut away)
4
GND (MIC)
Line Next (R)
Line Next (L)
10
(Cut away)
JAUDIO1 Pin Definition
DESCRIPTION
Front panel microphone input signal
Ground used by analog audio circuits
Microphone power
Filtered +5V used by analog audio circuits
Right channel audio signal to front panel
Right channel audio signal 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
2-20
JAUDIO1
9
1
10
2
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