Chapter 6: BIOS
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AES
This feature enables Intel CPU Advanced Encryption Standard (AES) Instructions support to
enhance data integrity. The options are Disabled or
Enabled
.
Boot performance mode
This feature enables the selection of the default CPU performance during system boot. The
options are
Max Non-Turbo Performance
, Power Saving, and Turbo Performance.
Intel(R) SpeedStep(tm)
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 Disabled or
Enabled
.
Intel(R) Speed Shift Technology
This feature enables Intel® Speed Shift Technology support, which exposes the CPPC v2
interface to allow for hardware controlled P-States. The options are Disabled or
Enabled
.
Turbo Mode
This feature enables Turbo Mode if EMTTM is also enabled. The options are Disabled or
Enabled
.
Package Power Limit MSR Lock
This feature enables Package Power Limit locking. If this is enabled, a reset will be required
to unlock the register. The options are
Disabled
or Enabled.
Power Limit 1 Override
This feature enables Power Limit 1 override. When this is disabled, the BIOS will use default
values. The default is
Disabled
.
Power Limit 2 Override
This feature enables Power Limit 2 override. When this is disabled, the BIOS will use default
values. The default is
Enabled
.
Power Limit 2
Enter a value for Power Limit 2. The default is
0
.
1-core ~ 8-core Ratio Limit Override
The number of cores available to modify depends on the CPU installed. Enter a ratio limit
value for individual cores (1~8).
C states
C-State architecture, a processor power management platform developed by Intel, can further
reduce power consumption from the basic C1 (Halt State) state that blocks clock cycles to
the CPU. Select Enabled for CPU C-State support. The options are Disabled or
Enabled
. If
this feature is set to Enabled, the following items will display: