Serial Port Connectors: Com1 & Jcom2 (Optional); Audio Port Connectors - MSI 845GEM Series User Manual

MS-6714 Micro-ATX Mainboard
Serial Port Connectors: COM1 & JCOM2 (Optional)
The mainboard offers one 9-pin male DIN connector as serial port COM1 and
one optional serial port JCOM2. All ports are 16550A high speed communication ports
that send/receive 16 bytes FIFOs. You can attach a serial mouse or other serial
device directly to them.
1 2 3 4 5
6 7 8 9
9-Pin Male DIN Connector
9
JCOM2 (Optional)

Audio Port Connectors

Line Out is a connector for Speakers or Headphones. Line In is used for
external CD player, Tape player, or other audio devices. Mic is a connector for
microphones.
1/8" Stereo Audio Connectors
2-10
PIN
1
2
3
4
5
6
7
1
8
2
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 To Send
CTS Clear To Send
RI Ring Indicate
Line in
Line out
MIC