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3.4.1 Processor Configuration
The CPU Configuration setup screen varies depending on the installed processor.
EIST (GV3)
EIST (Enhanced Intel SpeedStep Technology) allows the system to automatically adjust
processor voltage and core frequency in an effort to reduce power consumption and heat
dissipation. Please refer to Intel’s web site for detailed information. The default setting is
[Enabled].
Machine Check
Machine check
，
Default setting is [Enabled].
L1 Prefetcher
Select Enabled for the CPU to prefetch both cache lines for 128 bytes as comprised. Select
Disabled for the CPU to prefetch both cache lines for 64 bytes. The default setting is
[Enabled].
L2 Prefetcher
If set to Enabled, the hardware prefetcher will prefetch streams of data and instructions from
the main memory to the L2 cache to improve CPU performance. The default setting is
[Enabled].
Execute Disable Bit
Set to Enabled to enable the Execute Disable Bit which will allow the processor to designate
areas in the system memory where an application code can execute and where it cannot,
thus preventing a worm or a virus from flooding illegal codes to overwhelm the processor or
damage the system during an attack. The default is [Enabled].
VMX
Select Enabled to use the Intel Virtualization Technology to allow one platform to run
multiple operating systems and applications in independent partitions,
creating multiple "virtual" systems in one physical computer. The default setting is [Enabled].
AES-NI
Select Enabled to enable Intel
®
CPU Advanced Encryption Standard (AES) Instructions for CPU
to enhance data integrity. The default setting is [Enabled].
Turbo
Select Enabled to allow processor cores to run faster than the frequency recommended by
the manufacturer. The default setting is [Enabled].
For Boot Performance Mode, Energy Performance, VR Current value, CPU C states, ect. These
options are Related to the performance of the system please keep the default setting.
Active Processor Cores
This feature determines how many CPU cores will be activated for each CPU. When all is
selected, all cores in the CPU will be activated. The default setting is [All].