Advanced Power Management Configuration - Supermicro X11DPU-Z+ User Manual

DCU IP Prefetcher
If this item is set to Enable, the IP prefetcher in the DCU (Data Cache Unit) will prefetch IP
addresses to improve network connectivity and system performance. The options are Enable
and Disable.
LLC Prefetch
If this feature is set to Enable, LLC (hardware cache) prefetching on all threads will be
supported. The options are Disable and Enable.
Extended APIC (Extended Advanced Programmable Interrupt Controller)
Based on the Intel Hyper-Threading technology, each logical processor (thread) is assigned
256 APIC IDs (APIDs) in 8-bit bandwidth. When this feature is set to Enable, the APIC ID
will be expanded from 8 bits to 16 bits to provide 512 APIDs to each thread to enhance CPU
performance. The options are Disable and Enable.
AES-NI
Select Enable to use the Intel Advanced Encryption Standard (AES) New Instructions (NI) to
ensure data security. The options are Disable and Enable.

Advanced Power Management Configuration


Power Technology
This feature allows for switching between stored CPU Power Management profiles. The
options are Disable, Energy Efficient and Custom.
Power Performance Tuning
The options are OS Controls EPB and BIOS controls EPB.
ENERGY_PERF_BIAS_CFG mode
This feature is made available if BIOS Controls EPB is selected in Power Configuration
Tuning. The options are Maximum Performance, Performance, Balanced Performance,
Balanced Power, Power and Extreme Performance.
CPU P State Control

SpeedStep (PStates)
EIST (Enhanced Intel SpeedStep Technology) allows the system to automatically adjust
processor voltage and core frequency in an effort to reduce power consumption and heat
dissipation. Please refer to Intel's website for detailed information. The options are Disable
and Enable.
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Chapter 4: BIOS