Owners Manual

8. Reinstall the sled after an hour.
9. Follow the procedure listed in the After working inside your system section.
10. Enter System Setup and if the time and date are still incorrect, see Getting help section.
Related references
Safety instructions on page 48
Related tasks
Before working inside your system on page 48
Hard drives or SSDs on page 95
Hard-drive or SSD cage on page 106
Hard drive or SSD backplane on page 109
Removing memory modules on page 64
After working inside your system on page 49
System board
A system board (also known as the motherboard) is the main printed circuit board found in computers. The system board allows
communication between many of the crucial electronic components of the computer, such as the central processing unit (CPU)
and memory, and also provides connectors for other peripherals. Unlike a backplane, a system board contains significant number
subsystems such as the processor expansion cards, and other components.
Removing the system board
Prerequisites
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.
NOTE: This is a Field Replaceable Unit (FRU). Removal and installation procedures should be performed only by Dell
certified service technicians.
NOTE: You must remove the system board to replace a faulty system board.
1. Follow the safety guidelines listed in the Safety instructions section.
2. Follow the procedure listed in the Before working inside your system section.
3. Keep the 5 mm and 6 mm Hex nut drivers, #2 Phillips screwdriver, and #2 Phillips round screwdriver ready.
4. Remove the following:
a. processor(s) and heat sink(s)
b. memory modules
c. cooling shroud
d. hard drives or SSDs
e. hard-drive backplane or SSD backplane
f. hard-drive cage or SSD cage
g. storage controller card
h. expander card
i. PCIe mezzanine cards
j. IDSDM card or rSPI card
130
Installing and removing sled components