Rear panel

The mid-tower case rear panel includes the following Input/Output (I/O) ports, connectors, and switches:

Power connector

 

 

Padlock tab

Voltage selector

Thumbscrew

Mouse port

 

Keyboard port

 

USB ports

 

Parallel port

 

Serial port

 

RJ-45 LAN

 

connector

 

Audio Line-out

Audio Line-in

 

Microphone-in

Secondary videoThumbscrew port

Primary video port

Kennsington lock slot

Voltage selector sets the voltage for your area, either 115 V or 230 V.

Power connector connects the computer power cord. The other end of the power cord plugs into an AC outlet or power strip.

Mouse port connects a PS/2-compatible mouse.

Keyboard port connects a Personal System/2® (PS/2) compatible keyboard.

USB ports connect external Plug-and-Play devices, such as keyboards and pointing devices, that are automatically configured when they are plugged into the computer through one of these ports.

Parallel (printer) port connects a printer or other parallel device.

4System Features