Installing System Components 1251 Turn off the system, including any attached peripherals, and disconnectthe system from the electrical outlet and peripherals.2 Open the system. See "Opening the System" on page 79.3 Remove the expansion card stabilizer. See "Removing the Expansion CardStabilizer" on page 81.4 Remove the cooling shroud. See "Removing the Cooling Shroud" onpage 82.5 Disconnect all the cables from the system board.6 If applicable, remove all expansion cards and any attached cables.See "Removing an Expansion Card" on page 107.7 If applicable, remove the iDRAC6 Express card. See "Removing aniDRAC6 Express Card (Optional)" on page 109.8 If required, disconnect the cables from the SATA backplane.9 Remove all the memory modules and memory blanks. See "RemovingMemory Modules" on page 102.NOTE: To ensure proper reinstallation of memory modules, record thememory module socket locations.10 Remove the system fan. See "Removing the System Fan" on page 96.WARNING: The heat sink can get hot during operation. To avoid burns, ensurethat the system has sufficient time to cool before removing the system board.11 Remove the heat sink and processor. See "Removing a Processor" onpage 112.12 Carefully route any loose cables away from the edges of the system board.13 To remove the system board, using a Phillips screwdriver, remove all thescrews on the board. See Figure 3-24.14 While holding the two touch points on the system board, slide the systemboard toward the front of the system. See Figure 3-24.15 Lift the system board away from the chassis.
