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Back Panel Configuration
PS/2 Mouse & PS/2 Keyboard Connectors: KB/MS
These mainboards provide a standard PS/2 mouse connector and PS/2 keyboard
connector. The pin assignments are described below:
Serial and Parallel Interface Ports
These mainboards come equipped with one serial port, one VGA port and one parallel
port on the back panel.
Parallel Interface Port: PRT
The parallel port on your system has a 25-pin, DB25 connector that is used to interface
with parallel printers and other devices using a parallel interface.
The Serial Interface: COM1
The serial interface port is sometimes referred to as an RS-232 port or an asynchronous
communication port. Mice, modems and other peripheral serial devices can be
connected to this port.
Video Graphics Accelerator Port: VGA
The KM333 series has built in video facilities. Your monitor attached directly to the VGA
connector on this mainboard.
Pin
Assignment
1
Data
2
No connect
3
Ground
11
KM333 Series
Pin
Assignment
4
+5 V (fused)
5
Clock
6
No connect
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