Chapter 6: UEFI BIOS
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Extended APIC
Select Enable to use the extended APIC (Advanced Programmable Interrupt Control) support
to enhance power management. 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
Use this item to enable power management features. The options are Disable,
Energy
Efficient
, and Custom. Select Energy Efficient to support power-saving mode. Select
Custom to customize system power settings. Select Disable to disable power-saving
settings.
Power Performance Tuning (Available when Power Technology is set to Custom)
This feature allows the user to set whether the operating system or the BIOS controls the
Energy Performance BIAS (EPB). The options are
OS Controls EPB
and BIOS Controls
EPB.
ENERGY_PERF_BIAS_CFG Mode (Available when Power Performance Tuning is
set to BIOS Controls EPB)
The Energy Performance BIAS (EPB) feature allows the user to configure CPU power and
performance settings. Select Maximum Performance to set the highest performance. Select
Performance to optimize performance over energy efficiency. Select Balanced Performance
to prioritize performance optimization while conserving energy. Select Balanced Power
to prioritize energy conservation while maintaining good performance. Select Power to
optimize energy efficiency over performance. The options are Maximum Performance,
Performance,
Balanced Performance
, Balanced Power, and Power.
CPU P State Control (Available when Power Technology is set to
Custom)
SpeedStep (Pstates)
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
.
EIST PSD Function
This feature allows the user to change the P-State (Power-Performance State) coordina-
tion type. P-State is also known as "SpeedStep" for Intel® processors. Select HW_ALL to
