MSI MS-7242 User Manual download pdf (Page 29)

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MS-7242 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.

CD-In Connector: JCD1

This connector is provided for CD-ROM audio.

Chassis Intrusion Switch Connector: JCI1

This connector is connected to a 2-pin chassis switch. If the chassis is opened, the

switch will be short. The system will record this status and show a warning mes-

sage on the screen. To clear the warning, you must enter the BIOS utility and clear the

record.

JCI1

JCD1

GND

JAUD1

Pin Definition

PIN SIGNAL DESCRIPTION

1 PORT 1L Analog Port 1 - Left channel

2 GND Ground

3 PORT 1R Analog Port 1 - Right channel

4 PRESENCE# Active low signal - signals BIOS that a High Definition Audio

dongle is connected to the analog header. PRESENCE# = 0

when a High Definition Audio dongle is connected.

5 PORT 2R Analog Port 2 - Right channel

6 SENSE1_RETIRN Jack detection return from front panel JACK1

7 SENSE_SEND Jack detection sense line from the High Definition Audio CODEC

jack detection resistor network

8 KEY Connector Key

9 PORT 2L Analog Port 2 - Left channel

10 SENSE2_RETIRN Jack detection return from front panel JACK2

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MSI MS-7242 User Manual Page 29