Chapter 3 – AMI BIOS Setup 36Fanless Embedded Box PC BOXER-66403.4.1 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).DisabledEnabled Optimal Default, Failsafe DefaultWhen enabled, a VMM can utilize the additional hardware capabilities provided byVanderpool Technology.1All Optimal Default, Failsafe DefaultNumber of cores to enable in each processor package.