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Speaker Connector
The speaker connector is used to connect
speaker of the chassis
SPDIF Out Connector: SPDIF_OUT
The SPDIF out connector is capable of provid-
ing digital audio to external speakers or com-
pressed AC3 data to an external Dolby digital
decoder.
Note: The empty pin of SPDIF cable should be
aligned to empty pin of SPDIF out connector.
Chassis Intruder Connector: INTRUDER
The connector connects to the chassis security
switch on the case. The system can detect the
chassis intrusion through the status of this
connector. If the connector has been closed
once, the system will send a message. To uti-
lize this function, set "Intruder Detection" to "En-
abled" in the "Power Management Setup" sec-
tion of the CMOS Setup. Save and exit, then boot
the operating system once to make sure this
function takes effect.
Front Audio Connector: F_AUDIO
The audio port includes two parts – the Front
Audio and Rear Audio. Their priority is se-
quenced from high to low (Front Audio to Rear
Audio). If headphones are plugged into the front
panel of the chassis (using the Front Audio),
then the Line Out (Rear Audio) on the rear panel
will not work. If you do not want to use the Front
Audio, pin 5 and 6, pin 9 and 10 must be short,
and then the signal will be sent to the rear au-
dio port.
18
Chapter 2 Installation Instructions
1
SPEAKER
1
SPDIF_OUT
INTRUDER
MIC_IN
MIC_PWR
AUD_OUT_R
NC
AUD_OUT_L
SPKJ
NC
EMPTY
SPK(Pull high)
5V
EMPTY
SPDIF-OUT
GND
INTRUDERJ
GND
2
1
1
2
MIC_GND
+5VA
AUD_RET_R
EMPTY
AUD_RET_L
9
10
F_AUDIO
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