En-12
MS-7353 Mainboard
CD-In Connector
This connector is provided for external audio input.
Chassis Intrusion Connector
This connector connects to the chassis intrusion switch cable. If the chassis is opened,
the chassis intrusion mechanism will be activated. 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.
15
14
1
2
CINTRU
GND
Front Panel Audio Connector (AC97 Spec)
This connector allows you to connect the front panel audio and is compliant with Intel
®
Front Panel I/O Connectivity Design Guide.
1
2
910
AUD_MIC
AUD_MIC_BIAS
AUD_FPout_R
HP_ON
AUD_FPout_L
AUD_GND
AUD_VCC
AUD_RET_R
Key
AUD_RET_L
13
Important
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.
GND
R
L
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