Service Manual

Figure 108. Removing the system board
Next steps
Replace or install the system board.
Installing the system board
Prerequisites
1. Follow the safety guidelines listed in Safety Instructions.
2. Power off the system and all attached peripherals.
3. Disconnect the system from the electrical outlet, and disconnect the peripherals.
4. Ensure that all internal cables are routed correctly and connected, and no tools or extra parts are left inside the system.
5. Open the drive bays, remove all drives, and then close the drive bays.
6. Remove the power supply units.
7. Remove the system from the rack and place it on an ESD work bench. For more information, see the Rail Installation Guide at
www.dell.com/xcseriesmanuals .
8. Remove the system cover.
9. Remove the following:
a. Air shroud
b. (if installed)
c. All expansion cards and risers
d. Internal PERC riser
e. IDSDM/vFlash module
f. Processors and heat sink modules
g. Processors blanks (if installed)
h. Memory modules and memory module blanks
i. LOM riser card
Steps
1. Unpack the new system board.
CAUTION:
Do not lift the system board by holding a memory module, processor, or other components.
CAUTION: Take care not to damage the system identification button while placing the system board into the chassis.
118 Installing and removing system components