User Manual

5-40
Chapter 5: BIOS Setup
CPU Thermal Control
CPU T-State Control
Software Controlled T-States [Disabled]
Allows you to enable or disable Software Controlled T-States.
Congurationoptions:[Disabled][Enabled]
CPU - Advanced PM Tuning
Energy Perf BIAS
Power Performance Tuning [OS Controls EPB]
Congurationoptions:[OSControlsEPB][BIOSControlsEPB]
The following item appears only when you set Power Performance Tuning to
[OS Controls EPB].
PECI PCS EPB [OS Controls EPB]
This option controls whether PECI has control over EPB.
Congurationoptions:[OSControlsEPB][PECIControlsEPBusingPCS]
The following item appears only when you set Power Performance Tuning to
[BIOS Controls EPB].
ENERGY_PERF_BIAS_CFG Mode [Balanced Performance]
Congurationoptions:[Performance][BalancedPerformance][BalancedPower]
[Power]
Dynamic Loadline Switch [Enabled]
Congurationoptions:[Disabled][Enabled]
Workload Configuration [UMA]
Thisoptionallowsoptimizationfortheworkloadcharacterization.
Congurationoptions:[UMA][NUMA]
Averaging Time Window [17]
This option is used to control the effective window of the average C0 an P0 time.
Congurationoptions:[0]-[FF]
P0 TotalTimeThreshold Low [23]
TheHWswitchingmechanismDISABLEStheperformancesetting(0)whenthetotal
P0 time is less than the threshold set.
Congurationoptions:[0]-[3F]
P0 TotalTimeThreshold High [3a]
TheHWswitchingmechanismEnablestheperformancesetting(0)whenthetotalP0
time is greater than the threshold set.
Congurationoptions:[0]-[3F]