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Hardware Setup
IEEE1394 Port (Optional)
The back panel provides one standard IEEE 1394 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.
IEEE1394 Port
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-com-
patible devices. You can plug the USB device directly into the connector.
USB Ports
1 2 3 4
5 6 7 8
PIN SIGNAL DESCRIPTION
1 VCC +5V
2 -Data 0 Negative Data Channel 0
3 +Data0 Positive Data Channel 0
4 GND Ground
5 VCC +5V
6 -Data 1 Negative Data Channel 1
7 +Data 1 Positive Data Channel 1
8 GND Ground
USB Port Description
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.
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
1 2 3 4 5
6 7 8 9
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