System Board; Removing The System Board - Dell EMC XC Core XC450 Installation And Service Manual

Figure 89. Installing the power interposer board
3. Reconnect all the required cables.
Next steps
1. Replace the PSU.
2. Replace the air shroud.
3. Follow the procedure listed in

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
2. Follow the procedure listed in
3. Remove the following components:
a. Air shroud
b. Expansion cards
c. Expansion card risers
d. M.2 BOSS riser
e. Processor
f. Heat sink
g. Memory modules
h. OCP
i. Disconnect all cables from the system board.
CAUTION: Take care not to damage the system identification button while removing the system board
from the system.
84 Installing and removing system components
After working inside your
Safety instructions.
Before working inside your
system.
system.