MSI 945GZM5 User Guide - Page 34
Serial Port Connector: JCOM1 optional
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MS-7267 Mainboard 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. 9 JCOM1 21 Pin Definition PIN SIGNAL 1 DCD 2 SIN 3 SOUT 4 DTR 5 GND 6 DSR 7 RTS 8 CTS 9 RI DESCRIPTION Data Carry Detect Serial In or Receive Data Serial Out or Transmit Data Data Terminal Ready Ground Data Set Ready Request To Send Clear To Send Ring Indicate 2-18
MS-7267 Mainboard
2-18
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.
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