Chapter 2 Installation Instructions
21
Chassis Intruder Connector: INTR
The connector connects to the chassis security switch
on the case. The system can detect the chassis intru-
sion through the status of this connector. If the con-
nector has been closed once, the system will send a
message. To utilize this function, set
“Case Open
Warning” to “Enabled” in the “Power Management
Setup” section of the CMOS Setup. Save and exit, then
boot the operating system once to make sure this
function takes effect.
SP
The
out connector is capable of providing digi-
tal audio to external speak-ers or compressed AC3
data to an external Dolby digital decoder.
Note:The empty pin of SPDIF cable should be aligned
to empty pin of S/PDIF out connector.
Speaker Connector: SPEAKER
The speaker connector is used to connect speaker
of the chassis.
SPEAKER
SPDIF_OUT
SPDIF_OUT
+5V
GND
Empty
INTR
1 2
INTRUDERJ
GND
SPK(Pull high)
SPKJ
Empty
NC
Addtional COM
: COM2
This motherboard provides an additional serial COM
header for your machine.
Connect one side of a switching cable to the header,
then attach the serial COM device to the other side of
the cable.
COM2
SOUT
GND
RI
DTR
DSR SIN
CTS
RTS
Empty
9
10
1
2
９１５ＰＬ７ＡＥ－Ｍａｎｕａｌ－ＥＮ－Ｖ１．０－０１－２５－０４．ｐ６５
2005-5-26, 17:35
21
