Owners Manual

Table Of Contents
Installing the system cover on page 58
Installing a server module on page 56
After working inside your system on page 54
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
k. NDC
l. SD vFlash card
m. internal USB key
5. Install an I/O connector cover on the I/O connector(s) at the back of the board.
CAUTION: Do not lift the system board by holding a memory module, processor, or other components.
CAUTION: Temporarily label the hard drive/SSD before removal so that you can replace them in their original
locations.
NOTE: The processor and heat sink can become extremely hot. Be sure the processor has had sufficient time to cool
before handling.
Installing server module components 133