MSI K8MM-ILSR User Guide - Page 21
Back Panel, View of the Back Panel, Serial Port: COMA
UPC - 816909005738
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MS-6741 Micro-ATX Mainboard Back Panel View of the Back Panel The back panel provides the following connectors: Mouse Parallel 1394 LAN L-in Port (Optional) Keyboard COM A VGA Port USB Ports USB Ports L-out (Optional) MIC Serial Port: COMA The mainboard provides one 9-pin mail DIN connector as serial port COMA. The serial port is a 16550A high speed communication port that sends/receives 16 bytes FIFOs. You can attach a serial mouse or other serial device directly to it. 1 2 3 4 5 6 7 8 9 COM1 & COM2 Pin Definition PIN SIGNAL 1 DCD 2 SIN 3 SOUT 4 DTR 5 GND 6 DSR 7 RTS 8 CTS 9 RI 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 2-10