Serial Port Connectors: COMA
The mainboard offers one 9-pin male DIN connector as serial port COM A. This
port is 16550A high speed communication ports that send/receive 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
9-Pin Male DIN Connector
USB Connectors
The mainboard provides a 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.
1
2
3
4
5
6
7
8
USB Ports
VGA Connector
The mainboard provides a DB 15-pin female connector to connect a VGA monitor.
5
1
11
15
VGA Connector
(DB 15-pin)
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
Pin
Signal Description
1
RED
3
BLUE
5
GND
7
GND
9
+5V
11
N/C
13
Horizontal Sync
15
SCL
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
Pin
Signal Description
2
GREEN
4
N/C
6
GND
8
GND
10
GND
12
SDA
14
Vertical Sync
2-11