Lenovo ThinkSystem SD550 V3 User Manual page 201

d. Power off the node (see
from the node.
Note: If necessary, press the release clip with a flat-head screwdriver to remove an external
network cable from the rear of a 2U node.
e. Remove the node from the chassis (see
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.
f. Remove the top cover (see
g. Disconnect all the cables from the drive backplane; then, remove the drive cage assembly from
the node and place it on a flat, static-protective surface (see
assembly" on page
h. If a flash power module is installed on the front air baffle, disconnect the flash power module
cable and remove the flash power module (see
110).
i. Remove the front air baffle (see
j. If the rear air baffle is installed, remove it (see
k. Remove the firmware and RoT security module (see
module" on page 186).
l. Remove all the installed processor and heat sink modules (see
heat sink" on page
m. Make sure to label the slot number on each memory module; then, remove all the memory
modules from the system board and set them aside on a static-protective surface for
reinstallation (see "Remove a memory module" on page
Important: It is advised to print out the layout of memory module slots for reference.
n. If necessary, remove the M.2 drives (see
o. Remove the microSD card (see
p. If the internal adapter bracket is installed, disconnect all the cables from the internal adapter;
then, remove the internal adapter bracket from the node (see
bracket" on page 127).
"Power off the node" on page
"Remove a node from the chassis" on page
"Remove the top cover" on page
96).
"Remove the air baffle" on page
165).
"Remove an M.2 drive" on page
"Remove the MicroSD card" on page
53); then, disconnect all external cables
203).
"Remove the drive cage
"Remove the flash power module" on page
83).
"Remove the air baffle" on page
"Remove the firmware and RoT security
"Remove the processor and
134).
"Remove the internal adapter
.
Chapter 5 Hardware replacement procedures
75); then,
83).
130).
141).
191