Advantech SIMB-A01 User Manual page 59

3.2.2.5 CPU Configuration
The items in this menu show the CPU-related information that the BIOS automatically
detects.
Max CPUID Value Limit [Disabled]
Setting this item to [Enabled] allows legacy operating systems to boot even
without support for CPUs with extended CPUID functions.
Configuration options: [Disabled] [Enabled].
Execute Disable Bit [Enabled]
Allows you to enable or disable the No-Execution Page Protection Technology.
Set this item to [Disabled] forces the XD feature flag to always return to zero (0).
Configuration options: [Disabled] [Enabled].
Intel SpeedStep Tech
Allow you Enabled/Disabled GU3 function. The option: [Enabled], [Disabled]
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