Intel GA-8I915P - Manual (Page 35)

BIOS Setup - 35 -
English
CPU Hyper-Threading
Enabled Enables CPU Hy per Threading Feature. Please note that this feature is only working
for operating sy stem w ith multi processors mode supported. (Default v alue)
Disabled Disables CPU Hy per Threading.
Limit CPUID Max. to 3
Enabled Limit CPUID Max imum v alue to 3 w hen use older OS like NT4. (Default v alue)
Disabled Disables CPUID Limit for w indow s XP.