Advanced Power Management Configuration - Supermicro SuperServer E300-8D User Manual

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 Disable
and Enable.
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.
DCU Streamer Prefetcher (Available when supported by the CPU)
Select Enabled to enable the DCU (Data Cache Unit) Streamer Prefetcher which will stream
and prefetch data and send it to the Level 1 data cache to improve data processing and
system performance. The options are Disable and Enable.
DCU IP Prefetcher (Available when supported by the CPU)
Select Enabled for DCU (Data Cache Unit) IP Prefetcher support, which will prefetch IP
addresses to improve network connectivity and system performance. The options are Disable
and Enable.
Direct Cache Access (DCA)
Select Enabled to use Intel's DCA (Direct Cache Access) Technology to improve data transfer
efficiency. The options are Disable, Enable, and Auto.
Intel Virtualization Technology (Available when supported by the CPU)
Select Enabled to support Intel Virtualization Technology, which will allow one platform to
run multiple operating systems and applications in independent partitions, creating multiple
"virtual" systems in one physical computer. The options are Disable and Enable.
Note: If a change is made to this setting, you will need to reboot the system for the change
to take effect. Refer to Intel's website for detailed information.
Advanced Power Management Configuration
This section is used to configure the following CPU Power Management settings.
EIST (P-States)
EIST (Enhanced Intel SpeedStep Technology) allows the system to automatically adjust
processor voltage and core frequency to reduce power consumption and heat dissipation.
The options are Disable and Enable.
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Chapter 5 BIOS