Procedure
1. Extend or remove the server from the rack (Removing the server from the rack on page 139 or
Extending the server from the rack).
2. Remove the access panel (Removing and replacing the access panel on page 148).
3. Remove the fan.
CAUTION:
Do not operate the server for long periods with the access panel open or removed. Operating the
server in this manner results in improper airflow and improper cooling that can lead to thermal
damage.
To replace the component, reverse the removal procedure.
Removing and replacing the power supply backplane
Procedure
1. Power off the server (Powering off the server).
2. Remove all power supplies (Removing and replacing a hot-swap power supply on page 146).
3. Extend or remove the server from the rack (Removing the server from the rack on page 139) or
Extending the server from the rack).
4. Remove the access panel (Removing the access panel).
5. Remove the PCI cage (Removing the PCI riser cage).
6. Remove the necessary memory expansion boards (Installing DIMMs on page 67).
7. Remove the power supply backplane.
Removing and replacing the power supply backplane 151
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