Chapter 2
Serial Port
The mainboard offers one 9-pin male DIN connector as serial port. The
port is 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
6 7 8 9
9-Pin Male DIN Connector
USB Ports
The mainboard provides an UHCI (Universal Host Controller Interface)
Universal Serial Bus root for attaching USB devices such as keyboard, mouse
or other USB-compatible devices. You can plug the USB device directly into
the connector. The mainboard supports USB1.1 & 2.0 devices.
1
2
3
4
5
6
7
8
USB Ports
PIN
SIGNAL
1
DCD
2
SIN
3
SOUT
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
USB Port Description
PIN
SIGNAL
1
VCC
2
-Data 0
3
+Data0
4
GND
5
VCC
6
-Data 1
7
+Data 1
8
GND
2-18
Pin Definition
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
DESCRIPTION
+5V
Negative Data Channel 0
Positive Data Channel 0
Ground
+5V
Negative Data Channel 1
Positive Data Channel 1
Ground