Procedure
Step 1. Make preparations for this task.
a. Power off the node (see
“Power off the node” on page 51); then, disconnect all external cables
from the node.
b. Remove the node from the chassis (see
“Remove a node from the chassis” on page 72); then,
carefully lay the node on a flat, static-protective surface, orienting the node with the front
toward you.
Notes:
• When removing the node, note the node tray number and make sure to install the node in
the same tray from which it was removed. Reinstalling the node into a different tray requires
the node to be reconfigured.
• For safety, make sure to hold the node with both hands when lifting the node.
c. Remove the top cover (see
“Remove the top cover” on page 168).
d. If the GPU air duct is installed in the node, remove it (see
“Remove the GPU air duct” on page
91
).
e. If the PCIe riser assembly is installed, remove it from the node and disconnect the PCIe cables
from the system board (see
“Remove the PCIe riser assembly” on page 116 and Chapter 6
“Internal cable routing” on page 173
).
f. Remove the power bus bar (see
“Remove the power bus bar” on page 123).
Step 2. Disconnect the cables between the power distribution board and system board.
Step 3. Remove the power distribution board from the node.
a.
Remove the five screws that secure the power distribution board to the node.
b.
Slightly pull the power distribution board toward the front of the node; then, lift it out of the
node.
Figure 82. Removal of the power distribution board
128 ThinkSystem SD530 V3 User Guide
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