Back view – Dell OptiPlex 330 (Late 2007) User Manual
Page 30
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Quick Reference Guide
Back View
CAUTION:
Ensure that none of the system air vents are blocked. Blocking them
would cause serious thermal problems.
1
card slots
Access connectors for any installed PCI and PCI Express cards.
2
back panel
connectors
Plug USB, audio, and other devices into the appropriate
connector (see "Back Panel Connectors" on page 31 for
more information).
3
power connector
Insert the power cable.
4
voltage selector
switch
For selecting voltage rating.
5
padlock rings
Padlock rings are for attaching a commercially available
antitheft device. The padlock rings allows you to secure the
computer cover to the chassis with a padlock to prevent
unauthorized access to the inside of the computer. To use
the padlock rings, insert a commercially available padlock
through the rings, and then lock the padlock.
6
cover release latch
Use this latch to open the computer cover.
5
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2
3
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6