MSI 865GM2-LS User Guide - Page 29
Serial Port Connectors: COM A/B, IEEE1394 Port Optional
UPC - 816909004168
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MS-6743 M-ATX Mainboard 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. 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. 1 2 3 4 5 6 7 8 9 9-Pin Male DIN Connector COM A /B Pin Definition PIN SIGNAL DESCRIPTION 1 DCD 2 SIN 3 SOUT 4 DTR 5 GND 6 DSR 7 RTS 8 CTS 9 RI 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 2-14