System board
This is a service technician replaceable part only.
Removing the system board
Prerequisites
CAUTION: If you are using the Trusted Platform Module (TPM) with an encryption key, you may be prompted
to create a recovery key during program or System Setup. Be sure to create and safely store this recovery key.
If you replace this system board, you must supply the recovery key when you restart your system or program
before you can access the encrypted data on your drives.
1. Follow the safety guidelines listed in the Safety instructions.
2. Follow the procedure listed in the Before working inside your system.
3. Remove the following components:
a. Support bar
b. Air shroud top cover
c. Cooling fan cage assembly
d. Air shroud or GPU air shroud
NOTE: The GPU air shroud can be removed only after the full length expansion card risers have been removed.
e. BOSS-N1 module
f. Disconnect the cables from the PEM.
g. Processor expansion module (PEM)
h. Expansion card risers or full length expansion card riser
i. Riser air shroud
j. Power distribution board (PDB)
k. Side wall bracket
l. Memory modules
m. Processor and heat sink module from the system board
n. Internal USB card (if installed)
o. OCP card (if installed)
p. Power supply units (PSU)
q. Disconnect all the cables from the system board and make note of all the cable connections.
NOTE: See cable routing section for more information.
CAUTION: Take care not to damage the system identification button while removing the system board
from the system.
CAUTION: Do not lift the system board by holding a memory module, processor, or other components.
Steps
1. Using the system board holder and plunger, slide the system board towards the front of the system.
2. At a tilted angle, lift the system board out of the chassis.
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Installing and removing system components
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