20 Quick Reference Guide
Back View (Tower Orientation)
CAUTION: Ensure that none of the system air vents are blocked. Blocking them
would 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. For more information, see "Back View (Desktop
Orientation)" on page 25.
1
2
3
