MSI 845GEM-L User Guide - Page 37

Front Panel Audio Connector: JAUDIO1

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Hardware Setup Front Panel Audio Connector: JAUDIO1 The JAUDIO1 front panel audio connector allows you to connect to the front panel audio and is compliant with Intel® Front Panel I/O Connectivity Design Guide. 2 10 1 9 JAUDIO1 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 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 MSI Reminds You... If you don't want to connect to the front audio header, pins 5 & 6, 9 & 10 have to be jumpered in order to have signal output directed to the rear audio ports. Otherwise, the Line-Out connector on the back panel will not function. 6 10 59 2-21

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2-21
Hardware Setup
Front Panel Audio Connector: JAUDIO1
The JAUDIO1 front panel audio connector allows you to connect to the
front panel audio and is compliant with Intel
®
Front Panel I/O Connectivity
Design Guide.
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
JAUDIO1 Pin Definition
JAUDIO1
1
2
9
10
MSI Reminds You...
If you don’t want to connect to the front audio
header, pins 5 & 6, 9 & 10 have to be jumpered in
order to have signal output directed to the rear
audio ports. Otherwise, the Line-Out connector on
the back panel will not function.
5
6
10
9