Table 4-9 Expansion card descriptions and part numbers (continued)
Description Spare part number
PS/2 + serial port L13221-001
PCIe-to-RS-232 L47441-001
NOTE: You can install a PCI Express ×1, ×8, or ×16 expansion card in the PCI Express ×16 socket.
For dual graphics card configurations, install the first (primary) card in the PCI Express ×16 socket.
Before replacing the expansion modules, follow these steps:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 22).
2. Remove the access panel (see Access panel on page 23).
3. Remove the optical drive (see Optical drive on page 25).
4. Remove the front bezel (see Front bezel on page 26).
To remove an expansion card:
1. Release the slot cover retention latch (1) that secures the slot covers by lifting the tab on the latch
and rotating the latch to the open position.
2. If you are removing a PCI Express ×16 card, pull the retention arm on the back of the expansion
socket away from the card (2).
3. Carefully rock the card back and forth until the connectors pull free from the socket. Lift the card
straight up (3) and then away from the inside of the chassis to remove it. Be sure not to scrape the
card against other components.
4. Locate the correct vacant expansion socket on the system board and the corresponding expansion
slot on the back of the computer chassis.
5. Before installing an expansion card, remove the expansion slot cover or the existing expansion
card.
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Chapter 4 Removal and replacement procedures
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