Any 64-bit PCI cards that you install will run in 32-bit mode.
Refer to the service label on the inside of the access panel or the section, PCIe and PCI Expansion Slots, to help you choose an empty card slot that is compatible with the card that you are installing.
Power off the workstation using the procedure described in the section, To Power Off the Workstation.
Remove the left-side access panel using the procedure described in the section, To Remove the Left-Side Access Panel.
Gently lay the system on its right side on a stable, nonslip surface.
Use a #2 screwdriver to remove the back panel bracket cover for the slot.
Position the card over the selected slot and ensure that the notch in the connector on the motherboard aligns with the notch in the connector of the PCIe card.
Press down on the card until it is completely seated in the slot.
Secure the PCIe card to the chassis back panel using the retaining screw.
Close the workstation and prepare for operation using the procedures described in the section, Closing the Workstation and Preparing for Operation