Owner's manual

Half-size SBC HSB- CV1P
Chapter 3 AMI BIOS Setup 3-8
CPU Configuration
Options Summary :
Hyper-Threading Disabled
Enabled Default
Enabled for Windows XP and Linux (OS optimized for Hyper-Threading
Technology) and Disabled for other OS (OS not optimized for Hyper-Threading
Technology).
When Disabled only one thread per enabled core is enabled.