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Spread Spectrum
This item should always be [Auto] for better system stability.
Ratio Status
This is a read-only item, which displays whether the ratio status of this
motherboard is "Locked" or "Unlocked". If it shows "Unlocked", you will find
an item Ratio CMOS Setting appears to allow you changing the ratio value
of this motherboard. If it shows "Locked", then the item Ratio CMOS Set-
ting will be hidden. If you use the ratio value to time the CPU frequency, it will
be equal to the core speed of the installed processor.
Ratio Actual Value
This is a read-only item, which displays the ratio actual value of this
motherboard.
Ratio CMOS Setting
If the ratio status of this motherboard is "Unlocked", this item will display and
allow you to set the ratio value between CPU Core Clock and the FSB
frequency.
Enhance Halt State
All processors support the Halt State (C1). The C1 state is supported
through the native processor instructions HLT and MWAIT and requires no
hardware support from the chipset. In the C1 power state, the processor
maintains the context of the system caches.
Max CPUID Value Limit
For Prescott CPU only, some OSes (ex. NT4.0) cannot handle the function
with disable. This should be enabled in order to boot legacy OSes that
cannot support CPUs with extended CPUID functions.
Intel (R) Virtualization tech.
When this option is set to [Enabled], a VMM (Virtual Machine Architecture)
can utilize the additional hardware capabilities provided by Vanderpool
Technology. This option will be hidden if the installed CPU does not support
Intel (R) Virtualization Technology.
CPU Thermal Throttling
You may select [Enabled] to enable P4 CPU internal thermal control mecha-
nism to keep the CPU from overheated.
No-Excute Memory Protection
No-Execution (NX) Memory Protection Technology is an enhancement to the
IA-32 Intel Architecture. An IA-32 processor with "No Execute (NX) Memory
Protection" can prevent data pages from being used by malicious software
to execute code. This option will be hidden if the current CPU does not
support No-Excute Memory Protection.
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