Supermicro X13SAZ-F User Manual page 81

Chapter 4: BIOS
Hardware Prefetcher (Available when supported by the CPU)
If set to Enable, 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 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 Enable. The
options are Disabled and Enabled.
Intel (VMX) Virtualization Technology
Use this feature to enable the Vanderpool Technology. This technology allows the system to
run several operating systems simultaneously. The options are Disabled and Enabled.
Active Performance-cores
This feature determines how many processor cores will be activated for each processor
package. When all is selected, all cores in the processor will be activated. The options are
All, 5, 4, 3, 2, and 1.
Active Efficient-cores
This feature determines how many efficient cores will be activated for each processor
package. When all is selected, all cores in the processor will be activated. The options are
All, 7, 6, 5, 4, 3, 2, 1, and 0.
Hyper-Threading (Available when supported by the CPU)
Select Enable to support Intel Hyper-Threading Technology to enhance CPU performance.
The options are Disabled and Enabled.
AES
Select Enabled for Intel CPU Advanced Encryption Standard (AES) instructions support to
enhance data integrity. The options are Disabled and Enabled.
Boot Performance Mode
This feature allows you to select the performance state that the BIOS will set before the
operating system handoff. The options are Max Non-Turbo Performance and Turbo
Performance.
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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