Installing System Components 165System BoardRemoving the System BoardCAUTION: Many repairs may only be done by a certified service technician.You should only perform troubleshooting and simple repairs as authorized inyour product documentation, or as directed by the online or telephone serviceand support team. Damage due to servicing that is not authorized by Dell is notcovered by your warranty. Read and follow the safety instructions that camewith the product.CAUTION: 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 87.3 Remove the cooling shroud. See "Removing the Cooling Shroud" onpage 90.4 Remove the power supplies. See "Removing a Redundant Power Supply"on page 110 or "Removing a Non-Redundant Power Supply" on page 112.5 Remove all expansion cards and, if applicable, the storage controller card.See "Removing an Expansion Card" on page 126 and "Removing theStorage Controller Card" on page 129.6 Remove the expansion-card riser. See "Removing an Expansion-CardRiser" on page 127.7 Remove the heat sinks, processors and heat-sink blanks. See "Removing aProcessor" on page 138.8 If installed, remove the iDRAC6 Enterprise card. See "Removing aniDRAC6 Enterprise Card" on page 136.9 If installed, remove the iDRAC6 Express card. See "Removing an iDRAC6Express Card" on page 133.10 Disconnect all cables from the system board.
