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Chapter 2
Serial Port Connectors: COM A & COM B
The mainboard has two 9-pin male DIN connectors for serial port COM
A and COM B. You can attach a serial mouse or other serial devices.
1 2 3 4 5
6 7 8 9
9-Pin Male DIN Connectors
Joystick/Midi Connector
You can connect a joystick or game pad to this connector.
Audio Port Connectors
Line Out is to connect speakers or headphones. Line In is a connector
for external CD player, Tape player or other audio devices. Mic is used to
connect to a microphone.
PIN
SIGNAL
1
DCD
2
SIN
3
SOUT
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
Line Out Line In MIC
2-12
Pin Definition
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
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