9. Connect the power and data cables to the rear of the drives in the drive cage.
10. Reassemble the computer.
Expansion cards
The computer has two PCI Express x1 expansion sockets, one PCI Express x16 expansion socket, and one PCI
Express x16 expansion socket that is downshifted to a x4 socket.
NOTE: You can install a PCI Express x1, x4, x8, or x16 expansion card in the PCI Express x16 socket.
For dual graphics card congurations, the rst (primary) card must be installed in the PCI Express x16 socket
that is NOT downshifted to a x4.
To remove, replace, or add an expansion card:
1. Prepare the computer for disassembly (Preparation for disassembly on page 17)
2. Remove the access panel (Access panel on page 18)
3. Locate the correct vacant expansion socket on the system board and the corresponding expansion slot
on the back of the computer chassis.
4. Release the slot cover retention latch that secures the slot covers by lifting the tab on the latch and
rotating the latch to the open position.
5. Before installing an expansion card, remove the expansion slot cover or the existing expansion card.
NOTE: Before removing an installed expansion card, disconnect any cables that may be attached to
the expansion card.
a. If you are installing an expansion card in a vacant socket, remove the appropriate expansion slot
cover on the back of the chassis.
● Two of the slot covers slide out of the back of the chassis. Pull the slot cover straight up then
away from the inside of the chassis.
48 Chapter 4 Removal and replacement procedures
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