Removing and replacing the tertiary PCIe riser cage

CAUTION: To prevent improper cooling and thermal damage, do not operate the server unless all PCI slots have either an expansion slot cover or an expansion board installed.
Procedure
  1. Power down the server (Power down the server).
  2. Remove all power:
    1. Disconnect each power cord from the power source.
    2. Disconnect each power cord from the server.
  3. Disconnect any external cables that are connected to the expansion board.
  4. Do one of the following:
  5. Remove the access panel (Remove the access panel).
  6. Disconnect any internal cables that are connected to the expansion board.
  7. If any full-length expansion boards are installed, release the full-length expansion board retainer (Release the full-length expansion board retainer).
  8. Remove the PCIe riser cage.
    Removing the tertiary riser cage

To replace the component, reverse the removal procedure.