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IB70 Motherboard User Manual
2.5.2 I/O Side Setting Description
The table below shows each of I/O side connectors and its functions.
Label
AUDIO
COM1
COM3/ COM4
LAN1, LAN2
PS/2
USB
VGA
Audio: Line In/Line Out/Mic
COM1: D-Sub 9
Pin №
1
2
3
4
5
6
7
8
9
Function
Line In/Line Out/Mic
Serial port (RS232/422/485)
Serial port (RS232/422/485)
Gigabit Ethernet
Mouse/Keyboard
USB 2.0 / USB 3.0
Video Graphics Array
RS232
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
RI
Note
AUDIO
D-Sub 9
D-Sub 9
RJ45+LED
MiniDIN-6P
USB Type A
D-Sub 15
RS422
RS485
TxD-
TxD+
RxD+
RxD-
GND
GND
NC
NC
NC
NC
D-
D+
NC
NC
NC
NC
NC
NC
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