Serial Port Connector: Jcom1 - MSI MS-7242 Hardware User Manual

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.
JCOM1
9
1
2
Pin Definition
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 T o Send
8 CTS Clear To Send
9 RI Ring Indicate
Hardware Setup
2-17