Chapter 2 Installation Instructions
21
USB Headers: F_USB1, F_USB2
Besides four USB ports on the rear panel, the series of
motherboards also have two 10-pin headers on board
which may connect to front panel USB cable (optional)
to provide additional four USB ports.
F_USB 1/2
1
5V_DUAL
D-
D+
D-
GND
GND
D+
NC
Empty
5V_DUAL
Additional COM Connector: COM1
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.
1394 Connector:
F_1394 (optional)
The 1394 expansion cable can be connected to either
the front (provided that the front panel of your chassis
is equipped with the appropriate interface) or real
panel of the chassis.
IrDA Connector: IR(optional)
This header supports wireless transmitting and receiv-
ing device. Before using this function, configure the
settings of IR Mode from the
“
Integrated Peripherals
”
section of the CMOS Setup.
1
2
GND
+12V
TPB -
GND
TPA -
+12V
TPB +
GND
TPA +
Empty
F_1394
9
10
COM1
SOUT
GND
RLSD
RI#
DTR#
DSR#
SIN
9
10
1
2
CTS#
RTS#
Empty
IR
1
+5V
GND
IRRX
IRTX
Empty
Speaker Connector: SPEAKER(optional)
The speaker connector is used to connect speaker of
the chassis.
SPEAKER
1
SPKJ
NC
SPKJ
Empty
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