MSI MS-7242 - Manual (Page 32)

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Hardware Setup
Serial Port Connector: JCOM1
The mainboard provides one 9-pin header as serial port. 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 it.
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
JCOM1
1
9
2