4-12
Chapter 4: BIOS Setup
4.4.2 Power & Performance
CPU - Power Management Control
Boot performance mode [Turbo Performance]
This item allows you to select the performance state that the BIOS will set starting from reset
vector.
Congurationoptions:[MaxBattery][MaxNon-TurboPerformance][TurboPerformance]
Intel(R) SpeedStep(tm) [Enabled]
Allows more than two frequency ranges to be supported.
Congurationoptions:[Disabled][Enabled]
Race To Halt (RTH) [Enabled]
Allows you to enable or disable Race To Halt feature. RTH will dynamically increase CPU
frequencyinordertoenterpkgC-Statefastertoreduceoverallpower.RTHiscontrolled
through MSR 1FC bit 20.
Congurationoptions:[Disabled][Enabled]
Intel(R) Speed Shift Technology [Disabled]
Allows you to enable or disable Intel(R) Speed Shift Technology support. Enabling will expose
the CPPC v2 interface to allow for hardware controlled P-states.
Congurationoptions:[Disabled][Enabled]
Active Processor Cores [All]
Thisitemallowsyoutosetthenumberofcorestoenableineachprocessorpackage.
Congurationoptions:[All][1][2][3]
BIST [Disabled]
Allows you to enable or disable BIST (Built-In Self Test) on reset.
Congurationoptions:[Disabled][Enabled]
AES [Enabled]
Allows you to enable or disable AES (Advanced Encryption Standard).
Congurationoptions:[Disabled][Enabled]
Intel Trusted Execution Technology [Enabled]
Allows you to enable or disable utilization of additional hardware capabilities provided by
Intel(R)TrustedExecutionTechnology.Changesrequireafullpowercycletotakeeffect.
Congurationoptions:[Disabled][Enabled]