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Front panel audio connector: jaud1, Irda infrared module header: jir1 – MSI MS-7181 User Manual

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Hardware Setup

Front Panel Audio Connector: JAUD1

The mainboard provides one front audio connector for users to connect the optional
audio cable.

JAUD1

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

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

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.

JIR1

Pin

Signal

1

NC

2

NC

3

VCC5

4

GND

5

IRTX

6

IRRX

JIR1 Pin Definition

6

5

2

1