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X8DTU/X8DTU-F User’s Manual
Clock Spread Spectrum
Select Enable to enable Clock Spread Spectrum support, which will allow the BIOS
to monitor and attempt to reduce the level of Electromagnetic Interference caused
by the components whenever needed. The options are Disabled and Enabled.
Hardware Prefetcher (Available when supported by the CPU)
If set to Enabled, the hardware prefetcher will prefetch streams of data and instruc-
tions from the main memory to the L2 cache in the forward or backward manner to
improve CPU performance. The options are Disabled and Enabled.
Adjacent Cache Line Prefetch (Available when supported by the CPU)
The CPU prefetches the cache line for 64 bytes if this option is set to Disabled. The
CPU fetches both cache lines for 128 bytes as comprised if Enabled.
DCU Prefetcher (Available when supported by the CPU)
Select Enabled to activate Level 1 Data Prefetcher to enhance system performance.
For better performance of your DP server, please refer to the specifi cations of your
applications installed in your server to enable or disable this feature. The options
are Enabled and Disabled.
Data Reuse Optimization (Available when supported by the CPU)
Select Enabled to maximize Data Reuse support to enhance system performance
for DP platforms. For better performance of your DP server, please refer to the
specifi cations of your applications installed in your server to enable or disable this
feature. The options are Enabled and Disabled.
MPS and ACPI MADT Ordering
This feature allows the user to confi gure the MPS (Multi-Processor Specifi cation)
and ACPI settings for your motherboard. Select Modern Ordering if the XP or a
newer version of Windows OS is used in the motherboard. Select Legacy Ordering
if the 2000 or an earlier version of Windows OS is used. The options are Modern
Ordering and Legacy Ordering.
Intel® Virtualization Technology (Available when supported by the CPU)
Select Enabled to use the feature of Virtualization Technology to allow one platform
to run multiple operating systems and applications in independent partitions, creat-
ing 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.
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