Power distribution board (PDB)
Removing the power distribution board
Prerequisites
1. Follow the safety guidelines listed in the Safety instructions.
2. Follow the procedure listed in the Before working inside your system .
3. Disconnect cables that are connected to the components.
4. Remove the following components:
a. Air shroud.
b. Front top cover.
c. Cooling fan and fan cage assembly.
d. Expansion card risers.
e. Memory modules.
f. Heat sink.
g. Processor.
h. OCP card (if installed).
i. Power supply units (PSU).
j. Disconnect cables that are connected to the components.
k. VSB
l. BOSS-N1 card carrier, M.2 SSD module and BOSS-N1 card
m. System board
n. System board tray
o. LAAC
p. Disconnect cables that are connected to the components.
Steps
1. Unlock the plungers to release the PDB tray handle from the chassis.
2. Using the PDB holders, lift the PDB out of the chassis.
Figure 117. Removing the PDB tray
140
Installing and removing system components
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