Chapter 4: BIOS
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Adjacent Cache Line 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
Enabled
.
CPU AES
Select Enabled to enable Intel CPU Advanced Encryption Standard (AES) Instructions for
CPU to enhance data integrity. The options are Disabled and
Enabled
.
Boot Performance Mode
This feature allows the user to select the performance state that the BIOS will set before the
operating system handoff. The options are Power Saving,
Max Non-Turbo Performance,
and Turbo Performance.
HardWare P-States (HWP)
Use this feature to enable or disable hardware P-States support. The options are
Disabled
and Enabled.
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
.
Turbo Mode
Select Enabled for processor cores to run faster than the frequency specified by the
manufacturer. The options are Disabled and
Enabled
.
Package Power Limit MSR Lock
Select Enabled to lock the package power limit for the model specific registers. The options
are
Disabled
and Enabled.
Power Limit 1 Override
Select Enabled to support average power limit (PL1) override. The default setting is
Disabled
.
Power Limit 2 Override
Select Enabled to support rapid power limit (PL2) override. The default setting is
Enabled
.
Power Limit 2
Use this item to configure the value for Power Limit 2. The value is in milli watts and the
step size is 125mW. Use the number keys on your keyboard to enter the value. Enter 0 to
use the manufacture default setting. If the value is 0, the BIOS will set PL2 as 1.25* TDP.
