Dell OptiPlex 960 (Late 2008) - Manual (Page 8)

3. If you are installing a card in an empty card connector on the system board, remove the filler bracket to create a card-slot opening at the back of the
computer. Then continue with
step 5 .
4. If you are installing a card to replace one already installed in the computer, remove the installed card (see Removing a PCI Card ).
5. Prepare the card for installation.
1 card 2 release lever, securing tab
3 system board connector 4 card insert
5 card-retention latch
NOTE: See the documentation that came with the card for information on configuring the card, making internal connections, or customizing it for
your computer.
1 release tab on card retention latch 2 card
3 card-edge connector 4 card connector
CAUTION: Some network adapters automatically start the computer when they are connected to a network. To guard against electrical shock, be
sure to unplug your computer from its electrical outlet before installing any cards.