
Rear panel
Power connector

Voltage selector
Mouse port
Keyboard port 

USB ports 

Serial port A
Parallel port
Serial port B
Video port 
Thumbscrew
Chassis lock
Thumbscrew
Kensington lock slot
Chassis lock locks the side cover to secure the interior of the system. Kensington lock slot lets you use a cable lock to secure the system. Keyboard port connects a
Mouse port connects a
Parallel (printer) port connects a printer or other parallel device.
Power connector connects the computer power cord. The other end of the power cord plugs into an AC outlet or power strip.
Serial ports connect to serial devices.
4System Features