NEC SigmaBlade B140a-T Betriebsanweisung PDF herunterladen (Seite 277)

Upgrading Your Server 9-13

18. If the driver shown in [Computer] is set to "ACPI uni-processor PC" or "ACPI single-

processor PC", change it to "ACPI multi-processor PC", reboot the system according to

the message, and run NEC EXPRESSBUILDER under the Windows operating system to

update the system.

Any change is not required if the "Computer" driver is set to "ACPI multi-processor PC".

Removal

To remove the CPU, provide the preparation of the removal following steps 1 to 7 in the installation

procedure and perform steps 8 to 14 in the reverse order. To remove the heat sink, slide it a little on

the level and remove it.

IMPORTANT:

 Remove the CPU only when it is defected. After replacement, select

[Main] – [Processor Settings] – [Processor Retest] and set to [Yes]

to restart the CPU blade for clearing the error information (see

Chapter 4).

 After operation, the cool sheet at the bottom of the heat sink may

adhere to the CPU. To remove the heat sink, first turn it left and

right to have it apart from the CPU. If you remove the heat sink with

the cool sheet adhering to the CPU, the CPU and/or the socket may

be damaged.

 Put a dummy heat sink on CPU socket if it is not equipped with

CPU.

 The operation of the CPU blade cannot be secured if the CPU #1

socket is not equipped with CPU.

 To reinstall the CPU having been removed, the cool sheet should be

replaced with a new one. Contact you service representative.

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NEC SigmaBlade B140a-T Betriebsanweisung Seite 277