Chapter 3 – AMI BIOS Setup 31Fanless Embedded Box PC BOXER-6640M3.4.1 Advanced: CPU ConfigurationOptions summary:Hyper-Threading DisabledEnabled Optimal Default, Failsafe DefaultEnabled for Windows XP and Linux (OS optimized for Hyper-Threading Technology)and Disabled for other OS (OS not optimized for Hyper-Threading Technology). WhenDisabled only one thread per enabled core is enabled.Intel VirtualizationTechnologyDisabledEnabled Optimal Default, Failsafe DefaultWhen enabled, a VMM can utilize the additional hardware capabilities provided byVander pool TechnologyActive ProcessorCoresAll Optimal Default, Failsafe Default1Number of cores to enable in each processor package.