• Read “Installation Guidelines” on page 47 and “Safety inspection checklist” on page 48 to ensure that you
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 62.
• Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static-
sensitive components in their static-protective packages until installation, and handling these devices with
an electrostatic-discharge wrist strap or other grounding system.
• Before you remove or make changes to drives, drive controllers (including controllers that are integrated
on the system board assembly), drive backplanes or drive cables, back up all important data that is stored
on drives.
• Before you remove any component of a RAID array (drive, RAID card, etc.), back up all RAID configuration
information.
Procedure
Step 1. 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
“Remove the server from rack” on page 63.
Step 2. Remove the top cover. See
“Remove the top cover” on page 277.
Step 3. Disconnect the M.2 cables from the M.2 backplane.
Figure 106. Disconnecting M.2 cables from M.2 backplane
Step 4. Remove the M.2 backplane.
M.2 backplane on the air baffle
1. Remove the M.2 drive from the M.2 backplane. See
“Remove an M.2 drive” on page 143.
2. Remove the M.2 backplane from the air baffle.
Chapter 5. Hardware replacement procedures 147
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