Chapter 2

Front Panel Audio Connector: JAUD1

The front panel audio connector, JAUD1, allows you to connect to the front panel audio and is compliant with Intel® Front Panel I/O Connectivity Design Guide.

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JAUD1

Pin Definition

PIN

SIGNAL

DESCRIPTION

 

 

 

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

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

 

 

 

CAUTION!!!

If you don’t want to connect to the front audio header, pins 5 and 6, 9 and 10 have to be shorted by jumper caps in order to have signal output directed to the rear audio ports.

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