M S-7250 M ainboard
12
Front Panel Audio Connector
The 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.
®
1 2
AUD_GND
AUD_MIC
AUD_MIC_BIAS
AUD_VCC
AUD_FPout_R
AUD_RET_R
HP_ON
Key
AUD_FPout_ L
AUD_RET_L
9 10
Important
If you do not 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.
CD-In Connector
14
This connector is provided for CD-ROM audio.
15
Chassis Intrusion Switch Connector
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 message on the screen. To clear the warning, you must enter the BIOS utility and
clear the record.
IrDA Infrared Module Connector
16
The connector allows you to connect to IrDA Infrared module. You must configure the setting through the BIOS setup to use
the IR function. It is compliant with Intel
17
Serial Port Header
The 9-pin header allows you to connect serial port via an external COM port bracket.
18
TV-Out Connector
The TV-Out connector is for you to attach a TV-Out bracket. The TV-Out bracket offers some types of TV-Out connectors.
Select the appropriate one to connect to an television and it will be able to display PC information.
En-8
13
Front Panel Audio Connector
The 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.
®
GND R
L
CINTRU
1
GND
2
Front Panel I/O Connectivity Design Guide.
®
2
1
NC
NC
Ground
VCC5
IRTX
IRRX
6
5
1
6
DSR
DCD
RTS
SIN
CTS
SOUT
RI (9)
DTR
Ground
5
1 4
COMP or CVBS
Ground
Yout
Ground (5)
Cout
3
1 2
port1 _L
Ground
port1 _R
Presence#
port2_R
Sense1_Return
Sense_Send
Key
port2_L
Sense2_Return
9 10