Serial Port Connector: Jcom1 (Optional) - MSI 945GCM5 Series User Manual

M S-7267 M ainboard

Serial Port Connector: JCOM1 (optional)

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
2
2-18
PIN
9
1
2
3
4
5
6
1
7
8
9
Pin Definition
SIGNAL DESCRIPTION
DCD Data Carry Detect
SIN Serial In or Receive Data
SOUT Serial Out or Transmit Data
DTR Data Terminal Ready
GND Ground
DSR Data Set Ready
RTS Request T o Send
CTS Clear To Send
RI Ring Indicate