User`s manual
- 53 -
BIOS
5.2.2 CPU Conguration
The CPU Conguration setup screen varies depending on the installed
processor.
Hyper-threading
This item is used to Enable/Disable the processor’s Hyper-threading
feature.
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.
Execute Disable Bit
XD can prevent certain classes of malicious buffer overow attacks when
combined with a supporting OS (Windows Server 2003 SP1, Windows XP
SP2, SuSE Linux 9.2, RedHat Enterprise 3 update 3.)
Limit CPUID Maximum
Enable/Disable the Limit CPUID Maximum.