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Remove the system board
Follow instructions in this section to remove the system board.
Attention:
• Removing and installing this component requires trained technicians. Do not attempt to remove or install
it without proper training.
• When replacing the system board, always update the server with the latest firmware or restore the pre-
existing firmware. Make sure that you have the latest firmware or a copy of the pre-existing firmware
before you proceed.
• Go over
"Installation Guidelines" on page 137
• Turn 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.
Procedure
Step 1.
Make preparations for this task.
a.
Record all system configuration information, such as Lenovo XClarity Controller (XCC) 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.
d.
Remove the top cover (see
e.
Remove both PCIe riser cages or fillers, the chassis air baffle, and the PCIe expansion tray (see
"Remove a 4U PCIe riser cage" on page
"Remove the 4U PCIe expansion tray" on page
f.
Remove the fan cage assembly (see
g.
Remove the system board air baffle (see
the processor and memory expansion tray and the expansion tray air baffle (see
processor and memory expansion tray" on page
h.
Disconnect all the cables from the system board. Make a list of each cable as you disconnect it
and use it as a checklist after installing the new system board.
i.
Remove the PCIe riser assembly (see
j.
Remove all the adapters from the system board (see
"Remove the OCP Ethernet adapter" on page
k.
Label the slot number on each memory module, 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.
l.
Remove the power backplane (see
m. Remove both the PHMs that are installed on the system board (see
heat sink" on page
Step 2.
Disengage the system board.
to ensure that you work safely.
12).
"Remove the top cover" on page
255,
"Remove the fan cage assembly" on page
"Remove the system board air baffle" on page
"Remove the PCIe riser assembly" on page
179).
"Remove the power backplane" on page
213).
240).
"Remove the chassis air baffle" on page
249).
219).
"Remove an adapter" on page 188
184).
"Install a processor and
.
Chapter 4
Hardware replacement procedures
270, and
153).
226) or
"Remove the
186).
and
194).
229
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