MSI 800 - Serial Port

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Chapter 2 - Mainboard Hardware
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
Serial Port Pin Definition
9-Pin Male DIN Connector
1 2 3 4 5
6 7 8 9
Serial Port
The mainboard offers one 9-pin male DIN connectors as serial port. The
port is 16550A high speed communication port that send/receive 16 bytes FIFOs.
You can attach a serial mouse or other serial devices directly to the connector.