Dell Studio XPS 8000 (Late 2009) - Manual (Page 10)

8. If you are removing the card permanently, install a filler bracket in the empty card-slot opening.
Replacing PCI and PCI Express Cards
1. Follow the procedures in Before You Begin .
2. Prepare the card for installation.
See the documentation that came with the card for information on configuring the card, making internal connections, or otherwise customizing it for your
computer.
3. Place the PCI Express card in the slot in the chassis and press down firmly. Ensure that the PCI Express card is fully seated in the slot.
4. If you are installing the PCI Express card into the x16 card connector, position the card so the securing slot is aligned with the securing tab.
1 card retention clamp 2 PCI Express card
3 card retention clamp insert 4 filler bracket
5 screw
NOTE: Installing filler brackets over empty card-slot openings is necessary to maintain FCC certification of the computer. The brackets also keep
dust and dirt out of your computer.
1 fully-seated card 2 not fully-seated card
3 alignment bar 4 alignment guide
5 bracket within slot 6 bracket caught outside of slot