Fujitsu PRIMERGY RX2540 M4 Upgrade And Maintenance Manual page 361

"Connecting the power cord" on page 67
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"Switching on the server" on page 70
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I
When the system is powered on after a CPU has been replaced or
upgraded, the Global Error indicator will start flashing with the message
CPU has been changed.
This only indicates that the CPU configuration has been altered. There is
no technical problem.
Proceed as follows:
Ê Restart your server.
Ê As soon as the startup screen appears, press the [F2] function key to
enter the BIOS.
If a password is assigned, enter the password and press [Enter].
Ê Select the Save & Exit menu.
Ê Select Save Changes and Exit or Save Changes and Reset.
Ê Verify that the Global Error indicator stops flashing.
"Resetting the error status after replacing memory modules or CPUs" on
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page 104
"Enabling replaced components in the BIOS" on page 108
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"Resuming BitLocker functionality" on page 112
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RX2540 M4
Upgrade and Maintenance Manual
Processor (CPU)
361