MSI K8N NEO4-F User Guide - Page 34

Front Panel Audio Connector: JAUD1, IrDA Infrared Module Header: JIR1

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Page 34 highlights

M S-7125 ATX M ainboard Front Panel Audio Connector: JAUD1 The JAUD1 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 Definition PIN SIGNAL DESCRIPTION 1 JAUD1 2 3 2 10 4 1 9 5 6 7 8 9 10 AUD_MIC AUD_GND AUD_MIC_BIAS AUD_VCC AUD_FPOUT_R AUD_RET_R HP_ON KEY AUD_FPOUT_L AUD_RET_L 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 IrDA Infrared Module Header: JIR1 The connector allows you to connect to IrDA Infrared module. You must configure the setting through the BIOS setup to use the IR function. JIR1 is compliant with Intel® Front Panel I/O Connectivity Design Guide. 6 5 JIR1 2 1 JIR1 Pin Definition Pin Signal Pin 1 NC 2 3 VCC5 4 5 IRTX 6 Signal NC GND IRRX 2-20

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2-20
MS-7125 ATX Mainboard
Front Panel Audio Connector: JAUD1
The JAUD1 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.
JAUD1
1
2
9
10
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
Pin Definition
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
IrDA Infrared Module Header: JIR1
The connector allows you to connect to IrDA Infrared module. You must config-
ure the setting through the BIOS setup to use the IR function. JIR1 is compliant with
Intel
®
Front Panel I/O Connectivity Design Guide.
JIR1
JIR1 Pin Definition
6
5
2
1
Pin
Signal
Pin
Signal
1
NC
2
NC
3
VCC5
4
GND
5
IRTX
6
IRRX