Norco MITX-6922 - Serial Port（Com1，Com2，Com3456

MITX-6922 Mini-ITX Motherboard Based on Intel QM67/QM77 Chipset
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2.5.2 Serial Port（COM1，COM2，COM3456）
Board with 6xserial port，COM1 is standard DB9 pin connector、COM2 is standard 2×5
Pin pin，the DB9 interface needs to be led out through the conversion cable；COM3-6 are 2×
20Pin pin，the equipment needs to be connected by conversion cable. Users can turn on or off
the serial port in the BIOS setting option, and can select its interrupt IRQ and I / O address.
COM1-COM6 all support RS232 transmission mode ， COM2 also support RS422/485
transmission mode. Users can select COM2 transmission mode by setting jumpers. Refer to
2.4.4 "COM2 jumper settings" in Chapter Two for detailed settings.
COM1：
Signal Name
Pin
Signal Name
DCD
1
2
DSR
SIN
3
4
RTS
SOUT
5
6
CTS
DTR
7
8
RI
GND
9
10
GND
COM2：
Signal Name
Pin
Signal Name
DCD
1
2
DSR
COM1
COM2
COM3456