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X8DT6/X8DT6-F/X8DTE/X8DTE-F User’s Manual
C1E Support
Select Enabled to enable Enhanced Halt State support. C1E signifi cantly reduces
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)
Select Enabled to enable the hardware prefetcher to 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 Enabled.
MPS and ACPI MADT Ordering
Use this feature to choose the method of ordering sequence for the Multiple APIC
Description Table (MADT). Select Modern Ordering for Microsoft Windows XP or a
later version of OS. Select Legacy Ordering for Microsoft Windows 2000 or an earlier
version of OS. The options are Modern Ordering and Legacy Ordering.
Max CPUID Value Limit (Available when supported by the CPU)
The feature allows the user to set the maximum CPUID Value. Select Disabled for
the Windows XP OS. The options are Enabled and Disabled.
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.
Execute-Disable Bit Capability (Available when supported by the OS and
the CPU)
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 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.)
Intel AES-NI (Available when supported by the OS and the CPU)
If this feature is set to Enabled, Intel AES-NI will add new encryption features to
help accelerate AES SW application, providing code authorization and signature