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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
6 7 8 9
9-Pin Male DIN Connector
USB Connectors
The mainboard provides an OHCI (Open 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.
1
2
3
4
5
6
7
8
USB Ports
Pin Definition
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
Hardware Setup
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
E2-11
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