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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
CPU P State Control
This feature allows the user to configure the following CPU power settings:
Speedstep (Pstates)
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 choose between Hardware and Software to control the
processor's frequency and performance (P-state). In HW_ALL mode, the processor hard-
ware is responsible for coordinating the P-state, and the OS is responsible for keeping the
P-state request up to date on all Logical Processors. In SW_ALL mode, the OS Power
Manager is responsible for coordinating the P-state, and must initiate the transition on
all Logical Processors. In SW_ANY mode, the OS Power Manager is responsible for
coordinating the P-state and may initiate the transition on any Logical Processors. The
options are HW_ALL, SW_ALL, and SW_ANY.
Turbo Mode
This feature enables dynamic control of the processor, allowing it to run above stock
frequency. The options are Disable and Enable.
Hardware PM State Control
Hardware P-States
This setting allows the user to select between OS and hardware-controlled P-states.
Selecting Native Mode allows the OS to choose a P-state. Selecting Out of Band Mode
allows the hardware to autonomously choose a P-state without OS guidance. Selecting
Native Mode with No Legacy Support functions as Native Mode with no support for older
hardware. The options are Disable, Native Mode, Out of Band Mode, and Native Mode
with No Legacy Support.
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Chapter 6: BIOS
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