Processor (Cpu) - NEC Express5800 User Manual

Processor (CPU)

The server may have another CPU installed in addition to the standard CPU (Intel Xeon Processor).
IMPORTANT:
Two CPUs must have the same clock frequency. Make sure of the

CPU type appropriate to the server.
If you install an additional CPU, you need to change DIMM

installation location. See "DIMM" for details.
NOTE: If the different revision of the processor is installed in the
multiprocessor system, Windows logs the following information every
startup. If this message is logged, it is no problem for operation.
CPU #1 (factory-installed)
Mother board
Upgrading Your Server 9-73
CPU #2