User’s Manual
ENX-PNV
39
2.2.2.1 CPU Configuration
The items in this menu allow you to change the CPU-related features. Select an item then
press <Enter> to display the configuration options.
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 are: [Disabled] [Enabled].
Execute Disable Bit [Enabled]
Allows you to enable or disable the No-Execution Page Protection Technology. Setting this
item to [Disabled] forces the XD feature flag to always return to zero (0).
Configuration options: [Disabled] [Enabled].
Hyper-Threading Technology [Enabled]
Allows you to enable or disable Intel Hyper-threading technology (HTT) to improve parallel
intstruction execution. HTT requires only that the operating system supports multiple
processors.
It is recommended that you leave it at the default setting of Disabled.
Only enable it if you intend to use Hyper-Threading Technology with
an operating system that supports it.
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