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Execute Disable Bit (Available if supported by the OS & the CPU)
Set to Enabled to enable the Execute Disable Bit to 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.
(Refer to Intel and Microsoft Web Sites for more information.)
Intel® Virtualization Technology (Available when supported by the CPU)
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 options are Enabled and
Disabled.
Hardware Prefetcher (Available when supported by the CPU)
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 options are Disabled and Enabled.
Adjacent Cache Line Prefetch (Available when supported by the CPU)
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 options
are Disabled and Enabled.
Note: If there is any change to this setting, you will need to power off and
reboot the system for the change to take effect. Please refer to Intel's web
site for detailed information.
CPU AES
Select Enable for Intel CPU Advanced Encryption Standard (AES) Instructions
support to enhance data integrity. The options are Enabled and Disabled.
Boot Performance Mode
This feature selects the performance state the BIOS will set before the OS hand-off.
The options are Max Non-Turbo Performance and Turbo Performance:
EIST
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 options are Disabled and Enabled. The following options will
appear if EIST is enabled:
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Chapter 7: BIOS
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