Supermicro X8DTN+-F-LR User Manual page 78

X8DTN+-F/X8DTN+-F-LR User's Manual
to the previous state.) The default setting is Auto which will allow the BIOS set the
ratio depending on the CPU installed on the board. The default setting is Auto.
C1E Support
Select Enabled to enable Enhanced Halt State support which will signifi cantly reduce
the CPU's power consumption by reducing the CPU's clock cycle and voltage during
a "Halt State." The options are Disabled and Enabled.
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)
The CPU prefetches the cache line for 64 bytes if this option is set to Disabled.
The CPU prefetches both cache lines for 128 bytes as comprised if this option is
set to Enabled.
DCU Prefetcher (Available when supported by the CPU)
Select Enabled to activate Level 1 Data Prefetcher to enhance system performance.
For DP servers, enable or disable this feature based on application specifi cations.
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 DP servers, enable or disable this feature based on applica-
tion specifi cations. 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 and 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.
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