MSI MS-7242 - Manual (Page 29)

2-14
M S-7242 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.
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
2
G
N
D
C
IN
T
R
U
1
JCD1
GND
R L
JAUD1
1
2
9
10
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