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S
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UPER
ERVER 8046B-6RF/8046B-TRF User's Manual
Sever Class
Use this item to identify the server class for your system so that the prefectcher
settings listed below can be correctly confi gured. The options are Enterprise, HPC
(High Performance Cluster) and Custom (for customized servers).
Hardware Prefetcher (Available when supported by the CPU)
If 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)
If this feature is set to Disabled, the CPU prefetches the cache line for 64 bytes. If
this feature is set to Enabled, the CPU prefetches both cache lines for 128 bytes
as comprised.
MPS and ACPI MADT Ordering
This feature allows the user to confi gure the MPS (Multi-Processor Specifi ca-
tions) and ACPI settings for your motherboard. Select Modern Ordering if XP
or a newer version of Windows OS is used in the motherboard. Select Legacy
Ordering if 2000 or an earlier version is used. The options are Modern Ordering
and Legacy Ordering.
Max CPUID Value Limit
This feature allows the user to set the maximum CPU ID value. Enable this feature
to boot the legacy operating systems that cannot support processors with extended
CPUID functions. The options are Enabled and Disabled (for the Windows OS).
Intel® Virtualization Technology (Available when supported by the CPU)
Select Enabled to enable Virtualization Technology support which will allow one
platform to run multiple operating systems and applications in independent parti-
tions, creating multiple "virtual" systems in one physical computer. The options are
Enabled and Disabled. Note: If there is any change to this setting, you will need
to power off and restart the system for the change to take effect. Please refer to
Intel's web site for detailed information.
Execute-Disable Bit Capability (Available when supported by the OS and
the CPU)
Select Enabled to enable the Execute Disable Bit support which will allow the pro-
cessor 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 fl ooding illegal
codes to overwhelm the processor or damage the system during an attack. The
default is Enabled. (Refer to Intel and Microsoft websites for more information.)
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