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 CMI9880L to
offer support for 7.1-channel audio operation and can turn rear audio connectors
from 2-channel to 4-/5.1-channel audio.
Line In
Line Out
MIC
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
(in 7.1CH / 5.1CH)
Hardware Setup
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
2-11