Dell Precision T3400 (Late 2007) - Manual (Page 163)

Adding and Replacing Parts
163
Your Dell computer provides the following slots for PCI and PCI Express
cards:
• Three PCI card slots
• Two PCI Express x16 card slots
• One PCI Express x8 card slot (wired as x4)
PCI Cards
Removing a PCI Card
CAUTION:
Before you begin any of the procedures in this section, follow the
safety instructions in the Product Information Guide.
1 Follow the procedures in "Before You Begin" on page 143.
2 Remove the computer cover (see "Removing the Computer Cover" on
page 145).
3 Press the release tabs on the card retention door and pivot the door open.
1 PCI Express x16 card 2 PCI Express x8 card
3 PCI card 4 PCI card slot
5 PCI Express x8 card slot 6 PCI Express x16 card slot
2 3 1
6 5 4