Installing System Components 141CAUTION: If you are using the Trusted Program Module (TPM) with an encryptionkey, you may be prompted to create a recovery key during program or systemsetup. Be sure to create and safely store this recovery key. If you replace thissystem board, you must supply the recovery key when you restart your system orprogram before you can access the encrypted data on your hard drives.1 Turn off the system and attached peripherals, and disconnect the systemfrom the electrical outlet.2 Open the system. See "Opening the System" on page 82.3 Remove the system board shroud. See "Removing the System BoardShroud" on page 101.4 Remove all expansion cards and the integrated storage controller card. See"Removing an Expansion Card" on page 95 and "Removing the IntegratedStorage Controller Card" on page 96.5 Remove the expansion-card riser. See "Removing an Expansion-CardRiser" on page 98.6 Remove the processor heat sinks. See "Removing a Processor" on page 122.7 If installed, remove the optional iDRAC6 Enterprise card. See "Removingan iDRAC6 Enterprise Card" on page 107.8 If installed, remove the optional iDRAC6 Express card. See "Removing aniDRAC6 Express Card (Optional)" on page 104.9 Disconnect all cables from the system board.10 Remove the system board assembly:a Remove the nine screws securing the system board to the chassisand then slide the system board assembly toward the front end ofthe chassis.CAUTION: Do not lift the system board assembly by grasping a memory module,processor, or other components.b Grasp the system board assembly by the edges of the system board andlift the assembly away from the chassis. See Figure 3-30.
