MSI K8T NEO2-FIR User Guide - Page 25

MS-6702E ATX Mainboard 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 PIN 1 2 3 4 6 7 8 9 5 9-Pin Male DIN Connector 6 7 8 9 Pin Definition SIGNAL DESCRIPTION DCD SIN SOUT DTR GND DSR RTS CTS 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 USB Connectors The mainboard provides two OHCI (Open Host Controller Interface) Universal Serial Bus roots for attaching USB devices such as keyboard, mouse or other USB-compatible devices. You can plug the USB device directly into the connector. 1 2 3 4 5 6 7 8 USB Ports USB Port Description PIN SIGNAL 1 VCC 2 -Data 0 3 +Data0 4 GND 5 VCC 6 -Data 1 7 +Data 1 8 GND DESCRIPTION +5V Negative Data Channel 0 Positive Data Channel 0 Ground +5V Negative Data Channel 1 Positive Data Channel 1 Ground IEEE1394 Ports (Optional) The mainboard provides two IEEE 1394 ports in the rear I/O. The mini IEEE1394 port is designed for you to connect the IEEE1394 device with external power. The standard IEEE1394 port connects to IEEE1394 devices without external power. The IEEE1394 high-speed serial bus components provide the enhanced PC connectivity for a wide range of devices, including consumer electronics audio/video (A/V) appliances, storage peripherals, other PCs, and portable devices. 2-12 IEEE1394 Port (Standard) IEEE1394 Port (Mini)