CAUTION: To prevent improper cooling and thermal damage, do not operate the server unless all
bays are populated with either a component or a blank.
CAUTION: Mixing different types of power input modules in the same server might:
• Limit or disable some power supply features including support for power redundancy.
• Cause the system to become unstable and might shut down.
To ensure access to all available features, all power input modules in the same server should
have the same output and efficiency ratings. Verify that all power input modules have the same
part number and label color.
Procedure
1. Power down the server.
2. Remove all power:
a. Disconnect each power cord from the power source.
b. Disconnect each power cord from the server.
3. Disconnect all peripheral cables from the server.
4. Do one of the following:
• If the server is in tower mode: Place the server on its side with the access panel facing up.
• If the server is in rack mode, do one of the following:
◦ Extend the server from the rack.
◦ Remove the server from the rack.
5. Do the following:
a. Disconnect the power cord from the power supply.
Removal and replacement procedures 69
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