Dell Precision T3400 (Late 2007) - Manual (Page 62)

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Setting Up Your Computer
Switching From Desktop to Tower Orientation
1 Remove the floppy drive or media card reader (if installed) by following
the steps in "Removing a Floppy Drive or a Media Card Reader (Desktop
Computer)" on page 226, and then reinstall the floppy drive or media card
reader by following the steps in "Installing a Floppy Drive or Media Card
Reader (Tower Computer)" on page 222.
2 Remove all installed optical drives by following the steps in "Removing an
Optical Drive (Desktop Computer)" on page 236, and reinstall the drives
by following the steps in "Installing an Optical Drive (Tower Computer)"
on page 233.
Installing Your Computer in an Enclosure
Installing your computer in an enclosure can restrict airflow, can cause your
computer to overheat, and may impact your computer’s performance. Follow
the guidelines below when installing your computer in an enclosure:
NOTICE:
The operating temperature specified in this manual reflects the maximum
ambient operating temperature. The ambient room temperature must be a
consideration when installing your computer in an enclosure. For details about your
computer’s specifications, see "Specifications" on page 31.