Supermicro X11SAE-M User Manual page 69

Chapter 4: BIOS
Hyper-threading (Available when supported by the CPU)
Select Enabled to support Intel Hyper-threading Technology to enhance CPU performance.
The options are Disabled and Enabled.
Active Processor Cores
This feature determines how many CPU cores will be activated for each CPU. When all is
selected, all cores in the CPU will be activated. (Please refer to Intel's web site for more
information.) The options are All, 1, 2, and 3.
Intel ® Virtualization Technology
Select Enable to use Intel Virtualization Technology so that I/O device assignments will be
reported directly to the VMM (Virtual Memory Management) through the DMAR ACPI Tables.
This feature offers fully-protected I/O resource-sharing across the Intel platforms, providing
the user with greater reliability, security and availability in networking and data-sharing. The
settings 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 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 feature is set to Disabled. The CPU
prefetches both cache lines for 128 bytes as comprised if this feature is set to Enabled.
CPU AES
Select Enabled to enable Intel CPU Advanced Encryption Standard (AES) Instructions for
CPU to enhance data integrity. The options are Disabled and Enabled.
Boot Performance Mode
This feature allows the user to select the performance state that the BIOS will set before the
operating system handoff. The options are Power Saving, Max Non-Turbo Performance,
and Turbo Performance.
HardWare P-States (HWP)
Use this feature to enable or disable hardware P-States support. The options are Disabled
and Enabled.
Intel ® SpeedStep™
Intel SpeedStep Technology allows the system to automatically adjust processor voltage and
core frequency to reduce power consumption and heat dissipation. The options are Disabled
and Enabled.
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