ADLINK M-342 - Manual (Page 65)

BIOS Setup 51
M-342
5.3.3 CPU Configuration
Active Processor Cores
Number of cores to enable in processor. Options: All, 1, 2, 3.
Limit CPUID Value Maximum
When Enabled, the processor will limit the maximum CPUID
input value to 03h when queried, even if the processor sup-
ports a higher CPUID input value. When Disabled, the proces-
sor will return the actual maximum CPUID input value of the
processor when queried. Enable this option to allow compatibil-
ity with older operating systems.
Execute Disable Bit
Allows you to enable or disable the No-Execution Page Protec-
tion Technology. Setting this item to [Disabled] forces the XD
feature flag to always return a zero (0). Options: Enabled, Dis-
abled.