MS-6728 ATX Mainboard
Serial Port Connector
The mainboard offers one 9-pin male DIN connector as the 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 the connector.
1 2 3 4 5
6 7 8 9
9-Pin Male DIN Connector
Audio Port Connectors
The left 3 audio jacks are for 2-channel mode for stereo speaker output: 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.
However, there is an advanced audio application provided by Realtek ALC850
to offer support for 7.1-channel audio operation and can turn rear audio connec-
tors from 2-channel to 4-/5.1-/7.1- channel audio.
Line In
Line Out
MIC
MSI Reminds You...
For the advanced functions of the audio codec, please refer to Chapter
6: Introduction to RealTek ALC850 Audio Codec for details.
2-12
Pin Definition
PIN
SIGNAL
1
DCD
2
SIN
3
SOUT
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
S/PDIF Out-Coaxial
Rear Speaker Out
(in 7.1CH / 5.1CH)
Center/Subwoofer
Speaker Out
( in 7.1CH / 5.1CH)
S/PDIF Out-Optical
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