Dell OptiPlex 330 User Manual page 221

1 release tab
3 card-edge pins
NOTE:
See the documentation that came with the card for information on
configuring the card, making internal connections, or customizing it for your
computer.
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.
7 Place the card in the connector and press down firmly. Ensure that the card
is fully seated in the slot.
2 card
4 card connector
Desktop Computer Parts
1
2
3
4
221