Dell OptiPlex 740 DCCY, Quick Reference Manual, Page: 29 / 388

Quick Reference Guide
29
Small Form Factor Computer — Back View
1 card slots (2) Access connectors for any installed PCI and PCI Express
cards.
2 back-panel
connectors Plug serial, USB, and other devices into the appropriate
connectors (see "Small Form Factor Computer — Back-
Panel Connectors" on page 30).
3 power connector Insert the power cable.
4 voltage selection
switch Your computer may be 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
your location.
NOTICE:
In Japan, the voltage selection switch must be
set to the 115-V position even though the AC power
available in Japan is 100 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 Allows you to open the computer cover.
5 1 2 3 4
6