1Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
2Open the system. See "Opening the System" on page 50.
3Remove the cooling shroud. See "Removing the Cooling Shroud" on page 67.
4Remove any expansion card. See "Removing an Expansion Card" on page 61.
5Remove the processor heat sink. See "Removing a Processor" on page 82.
6If installed, remove the iDRAC6 Enterprise card. See "Removing an iDRAC6 Enterprise Card" on page 81.
7If installed, remove the iDRAC6 Express card. See "Removing an iDRAC6 Express Card" on page 78.
8Disconnect all cables from the system board.
9Remove all the memory modules and memory blanks. See "Removing Memory Modules" on page 73.
NOTE: To ensure proper reinstallation of memory modules, record the memory module socket locations.
10Remove the ten screws securing the system board to the chassis and then slide the system board assembly toward the front end of the chassis.
CAUTION: Do not lift the system board assembly by grasping a memory module, processor, or other components.
11Grasp the system board assembly by its edges and lift the assembly away from the chassis. See Figure
94
