MSI 661FM3-L Manual do utilizador - Página 26
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Front Panel Audio Connector: JAUD1
The JAUD1 front panel audio connector allows you to connect the front panel audio
and is compliant with Intel
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
Important
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 con-
nector on the back panel will not function.
IrDA Infrared Module Header: IR1
The connector allows you to connect to IrDA Infrared module. You must configure the
setting through the BIOS setup to use the IR function.
®
Front Panel I/O Connectivity Design Guide.
JAUD1
2
1
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
IR1
1
Hardware Setup
10
9
IR1 Pin Definition
Pin
Signal
1
VCC5
2
NC
3
IRRX
4
GND
5
IRTX
10
6
5
9
2-13