Dell Precision T5400 (Late 2007) - Manual (Page 21)

About Your Computer 21
Back View of the Computer (Tower Orientation)
CAUTION: Ensure that none of the system air vents are blocked. Blocking them
will cause serious thermal problems.
1 power connector Insert the power cable.
2 card slots Access connectors for any installed PCI and PCI Express
cards.
The center four connector slots support full-length cards, and
the connector slots on either the top or bottom (one x8 PCI
Express slot (wired as x4) and one PCI-X card) support half-
length cards.
3 back panel
connectors
Plug USB, audio, and other devices into the appropriate
connector (see "Back Panel Connectors (Tower Orientation)"
on page 22 for more information.
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