Chapter 4: BIOS
69
Power & Performance
Boot Performance Mode
This feature allows you 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
.
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
.
Race to Halt (RTH)
Use this feature to enable Race to Halt, which dynamically increases CPU frequency in
order to enter the package C-State faster. This will reduce overall power consumption. The
options are Disabled and
Enabled
.
Intel® Speed Shift Technology
Use this feature to enable or disable Intel Speed Shift Technology support. When this feature
is enabled, the Collaborative Processor Performance Control (CPPC) version 2 interface
will be available to control CPU P-States. The options are
Disabled
, Native Mode, and
Out of Band Mode.
Per Core P State OS control mode
Use this feature to enable Per Core P State OS control mode. The options are Disabled
and
Enable
d.
HwP Autonomous Per Core P State
Use this feature to enable Per Core for P State. The options are Disabled and
Enable
d.
HwP Autonomous EPP Grouping
Use this feature to enable EPP grouping. The options are Disabled and
Enable
d.
Turbo Mode
Select Enable for processor cores to run faster than the frequency specified by the
manufacturer. The options are Disabled and
Enabled
.
Power Limit 1
Use this feature to enable or disable platform power limit 1 programming. The options are
Disabled
and Enabled.
Power Limit 2
Use this feature to enable or disable platform power limit 2 programming. The options are
Disabled
and Enabled.
