2-15
Hardware Setup
Serial Port Connector: COM A
The mainboard offers one 9-pin male DIN connector as serial port COM
A. The port is a 16550A high speed communication port that sends/receives
16 bytes FIFOs. You can attach a serial mouse or other serial devices directly
to the connector.
PIN
SIGNAL
DESCRIPTION
1
DCD
Data Carry Detect
2
SIN
Serial In or Receive Data
3
SOUT
Serial Out or Transmit Data
4
DTR
Data Terminal Ready)
5
GND
Ground
6
DSR
Data Set Ready
7
RTS
Request To Send
8
CTS
Clear To Send
9
RI
Ring Indicate
Pin Definition
9-Pin Male DIN Connector
1 2 3 4 5
6 7 8 9
