Reference Guide

No dependency, however this setting is only valid when the CPU Power Management is set to Maximum
Performance.If the CPU Power Management is not set to Maximum Performance, the customer can still
change it but it will have no effect.
Legal Values
● Enabled
● Disabled
● ControlledTurboLimitMinus1
● ControlledTurboLimitMinus2
● ControlledTurboLimitMinus3
● Custom
Default Value Not Applicable
Write Privilege Server Control
License Required iDRAC Express or iDRAC Enterprise
Dependency Not applicable
BIOS.ProcSettings.ControlledTurboExtended (Read or Write)
Description
Enables control of the turbo limit engagement. Effective only when the Dell Controlled Turbo feature is
enabled.
Legal Values
● ControlledTurboLimitMinus1
● ControlledTurboLimitMinus2
● Disabled
Default Value Not Applicable
Write Privilege Server Control
License Required iDRAC Express or iDRAC Enterprise
Dependency Not applicable
BIOS.ProcSettings.ControlledTurboMinusBin (Read or Write)
Description
Enter a value from 0 to 12 bins. The value entered decreases the Dell AVX Scaling Technology frequency
when the Dell Controlled Turbo feature is enabled.
Legal Values None
Default Value Not Applicable
Write Privilege Server Control
License Required iDRAC Express or iDRAC Enterprise
Dependency Not applicable
BIOS.ProcSettings.CpuInterconnectBusSpeed (Read or Write)
Description
This setting governs the frequency of the communication links among the CPUs in the system. Note that
standard and basic bin processors support lower link frequencies than the advanced parts do. Maximum
Data Rate indicates that the BIOS will run the communication links at the maximum frequency supported
by the processors. You can also select specific frequencies that the processors support, which can vary.
For best performance, you should choose the Maximum Data setting. Any reduction in the communication
link frequency will affect the performance of non-local memory accesses and cache coherency traffic. In
addition, it can slow access to non-local I/O devices from a particular CPU. However, if power saving
considerations outweigh performance, you may want to reduce the frequency of the CPU communication
266 BIOS Attributes