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MS-6743 M-ATX Mainboard
Serial Port Connectors: COM A/B
The mainboard offers two 9-pin male DIN connectors, COM A/B. Both
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.
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
9-Pin Male DIN Connector
COM A /B
1 2 3 4 5
6 7 8 9
IEEE1394 Port (Optional)
The mainboard provides one standard IEEE1394 port.
The standard IEEE1394 port connects to IEEE1394 devices
without external power. The IEEE1394 high-speed serial
bus complements USB by providing enhanced PC
connectivity for a wide range of devices, including
consumer electronics audio/video (A/V) appliances, storage
peripherals, other PCs, and portable devices.
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