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10
QDI
Installation Instruction
USB3 ;USB4;Serial Port Connector(COM2)
Besides USB1,2 on the back panel, P2E/333 series of mainboards also have two 8-pin head-
ers on board which may connect to front panel USB cable( optional ) to provide additional four
USB ports. The serial port COM2 is not available on the back panel. Therefore, we provide a 9-
pin header.
Infrared Header (IrDA)
This connector supports wireless transmitting and receiving device. Before using this func-
tion, configure the settings for IR Address, IR Mode and IR IRQ from the INTEGRATED
PERIPHERALS section of the CMOS SETUP.
USB3
USB4
COM2
+5V
D5+
D5-
NC
GND
GND
NC
D6+
D6-
+5V
IrDA
VCC
IRRX
GND
IRTX
NC
+5V
D3+
D3-
NC
GND
GND
NC
D4+
D4-
+5V
DCD
GND
SOUT-
RTS
RI
SIN
NC
DSR
CTS
DTR
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