ADLINK cPCI-6625 - Manual (Page 61)

BIOS Setup Utility 49
cPCI-6625
7.3.3 CPU Configuration
Hyper-Threading
Enables/disables Hyper-Threading Technology. Enable for
Windows XP and Linux (OS optimized for Hyper-Threading
Technology) and disable for other OS (OS not optimized for
Hyper-Threading Technology.
Active Processor Cores
Number of cores to enable in each processor package.
Options: All, 1.
Limit CPUID Maximum
When the computer is boots, the operating system executes its
CPUID instruction to identify the processor and its capabilities.
Before it can do so, it must first query the processor to find out
the highest input value the CPUID recognizes. This determines
the kind of basic information CPUID can provide the operating
system. This option allows you to circumvent problems with