MAX CPUID Valve Limit
The Max CPUID Value Limit BIOS feature allows you to circumvent problems
with older OS that don't support the Pentium 4 processor with Hyper-Threading
Technology. When enable, the processor will limit the maximum CPUID input
value to 03h when queried, even if the processor supports a higher CPUID input
value. When disabled, the processor will return the actual value.
Execute Disable Bit functionality can prevent certain classes of malicious "buffer
overflow" attacks when combined with a supporting OS . This functionality allows
the processor to classify areas in memory by where application code can execute
and where it can't. When a malicious worm attempts to insert code in the buffer,
the processor disables code execution, preventing damage or worm propagation.
The processor uses HT technology to increase transaction rates and reduces end-
user response times. The technology treats the two cores inside the processor as
two logical processors that can execute instructions simultaneously. In this way,
the system performance is highly improved. If you disable the function, the processor
will use only one core to execute the instructions. Please disable this item if your
OS doesn't support HT Function, or unreliablity and instability may occur.
EIST (Enhanced Intel SpeedStep Technology) allows the system to dynamically
adjust processor voltage and core frequency, which can result in decreased
average power consumption and decreased average heat production.
Execute-Disable Bit Capability
Hyper Threading Technology
Intel(R) Speedstep(tm) Tech
CPU Configuration
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