Dell OptiPlex GX620 User Manual
Quick Reference Guide
Mini Tower, Desktop, and Small Form Factor Computers — Back-Panel Connectors
voltage selection switch
(may not be available on
Your computer is equipped with a manual voltage-selection switch.
To help avoid damaging a computer with a manual voltage-selection switch, set
the switch for the voltage that most closely matches the AC power available in
Also, ensure that your monitor and attached devices are electrically rated to
operate with the AC power available in your location.
Insert a padlock to lock the computer cover.
cover release latch
Use this latch to open the computer cover.
Connect a parallel device, such as a printer, to the parallel connector. If you have a
USB printer, plug it into a USB connector.
The integrated parallel connector is automatically disabled if the computer
detects an installed card containing a parallel connector configured to the same
address. For more information, see "System Setup Options" in your online User’s
link integrity light
• Green — A good connection exists between a 10-Mbps network and the
• Orange — A good connection exists between a 100-Mbps network and the
• Yellow — A good connection exists between a 1-Gbps (or 1000-Mbps) network
and the computer.
• Off — The computer is not detecting a physical connection to the network.