Dell GX520 - OptiPlex - 512 MB RAM, Quick Reference Manual, Page: 13 / 266

Quick Reference Guide
13
Desktop Computer — Back View
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1 card slots You can access connectors for any installed PCI and PCI Express cards.
2
back-panel connectors Plug serial, USB, and other devices into the appropriate connector.
3 power connector Insert the power cable into this connector.
4 voltage selection switch Your computer is equipped with a manual voltage-selection switch.
To avoid damaging a computer with a manual voltage-selection switch, set the
switch to the voltage that most closely matches the AC power available in your
location.
NOTICE:
In Japan, the voltage selection switch must be set to 115-V.
Also, ensure that your monitor and attached devices are electrically rated to
operate with the AC power available in your location.
5
padlock ring Insert a padlock to lock the computer cover.
6 cover release latch Use this latch to open the computer cover.