User`s manual

Chapter 2 Installation Instructions
18
USB Headers: F_USB1, F_USB2
(Please refer to the 20th item of motherboard layout.)
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
F_USB 2
1
5V_DUAL
D-
D+
D-
GND
GND
D+
NC
Empty
5V_DUAL
1
5V_DUAL
D-
D+
D-
GND
GND
D+
NC
Empty
5V_DUAL
Addtional COM Connector: COM2(optional)
(Please refer to the 7th item of motherboard layout.)
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)
(Please refer to the 21th item of motherboard layout.)
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.
12
GND
+12V
TPB -
GND
TPA -
+12V
TPB +
GND
TPA +
Empty
F_1394
910
IrDA Connector: IR
(Please refer to the 9th item of motherboard layout.)
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.
IR
1
+5V
GND
IRRX
IRTX
Empty
COM2
SOUT
GND RLSD RI#
DTR#
DSR# SIN
9
10
1
2
CTS#
RTS#
Empty
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