Hardware Reference Guide
Removing or installing an expansion card
The computer has one PCI Express ×1 expansion socket and one PCI Express ×16 expansion socket.
NOTE: The PCI Express sockets support only low prole cards.
You can install a PCI Express ×1, ×4, ×8, or ×16 expansion card in the PCI Express ×16 socket.
For dual graphics card congurations, the rst (primary) card must be installed in the PCI Express ×16 socket.
To remove, replace, or add an expansion card:
1. Prepare the computer for disassembly. See Preparing for disassembly on page 6.
2. Remove the computer access panel. See Removing the computer access panel on page 6.
3. Locate the correct vacant expansion socket on the system board and the corresponding expansion slot
cover on the back of the computer chassis.
4. Rotate the slot cover release 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 PCI Express ×1 socket, insert a at-bladed
screwdriver into the slots on the rear of expansion slot cover (1) and rock the slot cover back and
forth to break it free from the chassis (2).
16 Chapter 2 Hardware upgrades