7Replace the SAS controller daughter card. See "Installing a SAS Controller Daughter Card or SAS RAID Controller Daughter Card" on page 56.
8Close the system. See "Opening and Closing the System" on page 46.
9Reconnect the system to the power source and turn on the system and attached peripherals.
10If applicable, install the bezel. See "Removing and Replacing the Front Bezel" on page 45.
System Board
Removing the System Board
CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.
1If applicable, remove the bezel. See "Removing and Replacing the Front Bezel" on page 45.
2Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
3Open the system. See "Opening and Closing the System" on page 46.
4Disconnect any cables from the system board back panel.
5Remove the memory cooling shroud. See "Removing the Memory Cooling Shroud" on page 52.
6Remove both power supplies. See "Removing a Power Supply" on page 54.
7Remove the sideplane from the system board. See "Removing the Sideplane Board" on page 85.
8Remove both the center and left risers from the system board. See "Removing an
9Remove the four fan modules. See "Removing a Cooling Fan Module" on page 48.
10If applicable, remove the RAC card. See "RAC Card" on page 71.
11Remove the memory modules. See "Removing Memory Modules" on page 67.
CAUTION: The memory modules are hot to the touch for some time after the system has been powered down. Allow time for the memory modules to cool before handling them. Handle the memory modules by the card edges and avoid touching the components on the memory module.
NOTE: While removing the memory modules, record the memory module socket locations to ensure proper installation.
NOTE: Your system also comes with a pre installed system board cooling shroud. Do not remove the system board cooling shroud. See Figure
12Remove the heatsink(s) and microprocessor(s). See "Removing the Processor" on page 67.
13If applicable, remove the TOE key. See "Activating the Integrated NIC TOE" on page 67.
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