Lenovo ThinkSystem SR675 V3 User Manual page 149

• When removing the memory modules, label the slot number on each memory module, remove all the
memory modules from the system board assembly, and set them aside on a static-protective surface for
reinstallation.
• When disconnecting cables, make a list of each cable and record the connectors the cable is
connected to, and use the record as a cabling checklist after installing the new system board
assembly.
Attention:
• Read "Installation Guidelines" on page 45
work safely.
• Power off the server and peripheral devices and disconnect the power cords and all external cables. See
"Power off the server" on page
• If the server is installed in a rack, slide the server out on its rack slide rails to gain access to the top cover,
or remove the server from the rack. See
Note: Make sure you have SR675 V3 Misc Kit available to replace the system I/O board and processor
board.
Watch the procedure
A video of this procedure is available at YouTube:
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Procedure
Step 1. Make preparation for this task.
a. Record all system configuration information, such as Lenovo XClarity Controller IP addresses,
vital product data, and the machine type, model number, serial number, Universally Unique
Identifier, and asset tag of the server.
b. Save the system configuration to an external device with Lenovo XClarity Essentials.
c. Save the system event log to external media.
Step 2. Remove the following components.
a. Remove the top cover. See
b. Remove the air baffle. See
c. Remove the fans and the fan cage. See
cage" on page
d. Remove the processors and the heat sinks. See
"Remove a heat sink" on page
e. Make sure to label the slot number on each memory module, remove all the memory modules
from the system board assembly, and set them aside on a static-protective surface for
reinstallation. See
Important: It is advised to print out the layout of memory module slots for reference.
f. Remove the intrusion switch. See
g. If applicable, remove the PCIe riser. See
h. If applicable, remove the OCP module. See
i. Remove the power supply units. See
j. Remove the power distribution board. See
121.
and "Safety inspection checklist" on page 46
54.
"Remove the server from rack" on page
.
"Remove the top cover" on page
"Remove the air baffle" on page
78.
128.
"Remove a memory module" on page
"Remove the intrusion switch" on page
"Remove a power supply unit" on page
https://www.youtube.com/playlist?list=PLYV5R7hVcs-
154.
65.
"Remove a fan" on page 76
"Remove a processor" on page 130
99.
"Remove a PCIe riser" on page
"Remove the OCP module" on page
"Remove the power distribution board" on page
.
Chapter 5 Hardware replacement procedures
to ensure that you
54.
and "Remove the fan
and
89.
110.
108.
123.
141