Dell Precision Rack 7910 Dell Precision Rack 7910 Owners Manual - Page 134

Menu Item, Description, Number of Turbo Boost Enabled Cores for Processor 2

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Menu Item CPU Power Management Turbo Boost Energy Efficient Turbo Description the rest of the options if the mode is set to Custom. By default, the System Profile option is set to Performance Per Watt Optimized (DAPC). DAPC is Dell Active Power Controller. NOTE: The following parameters are available only when the System Profile is set to Custom. Sets the CPU power management. By default, the CPU Power Management option is set to System DBPM (DAPC). DBPM is Demand-Based Power Management. Enables or disables the processor to operate in turbo boost mode. By default, the Turbo Boost option is set to Enabled. Enables or disables the Energy Efficient Turbo. Energy Efficient Turbo (EET) is a mode of operation where a processor's core frequency is adjusted within the turbo range based on workload. C1E Enables or disables the processor to switch to a minimum performance state when it is idle. By default, the C1E option is set to Enabled. C States Enables or disables the processor to operate in all available power states. By default, the C States option is set to Enabled. Memory DDR Freq Max performance is enabled. Limit Collaborative CPU Enables or disables the CPU power management. When set to Enabled, the CPU Performance power management is controlled by the OS DBPM and the System DBPM (DAPC). Control By default, the option is set to Disabled. Memory Patrol Scrub Sets the memory patrol scrub frequency. By default, the Memory Patrol Scrub option is set to Standard. Memory Refresh Sets the memory refresh rate to either 1x or 2x. By default, the Memory Refresh Rate Rate option is set to 1x. Uncore Frequency Selects the Processor Uncore Frequency. Dynamic mode allows the processor to optimize power resources across the cores and uncore during runtime. The optimization of the uncore frequency to either save power or optimize performance is influenced by the setting of the Energy Efficiency Policy. Energy Efficient Policy Selects the Energy Efficient Policy. The CPU uses the setting to manipulate the internal behavior of the processor and determines whether to target higher performance or better power savings. Number of Turbo Boot Enabled Cores for Processor 1 Number of Turbo Boot Enabled NOTE: If there are two processors installed in the system, you see an entry for Number of Turbo Boost Enabled Cores for Processor 2. Controls the number of turbo boost enabled cores for processor 1. By default, the maximum number of cores is enabled. NOTE: If there are two processors installed in the system, you see an entry for Number of Turbo Boost Enabled Cores for Processor 2. 134

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Menu Item
Description
the rest of the options if the mode is set to
Custom
. By default, the
System Profile
option is set to
Performance Per Watt Optimized (DAPC)
. DAPC is Dell Active
Power Controller.
NOTE:
The following parameters are available only when the
System Profile
is
set to
Custom
.
CPU Power
Management
Sets the CPU power management. By default, the
CPU Power Management
option
is set to
System DBPM (DAPC)
. DBPM is Demand-Based Power Management.
Turbo Boost
Enables or disables the processor to operate in turbo boost mode. By default, the
Turbo Boost
option is set to
Enabled
.
Energy Efficient
Turbo
Enables or disables the
Energy Efficient Turbo
.
Energy Efficient Turbo (EET) is a mode of operation where a processor’s core
frequency is adjusted within the turbo range based on workload.
C1E
Enables or disables the processor to switch to a minimum performance state when
it is idle. By default, the
C1E
option is set to
Enabled
.
C States
Enables or disables the processor to operate in all available power states. By
default, the
C States
option is set to
Enabled
.
Memory DDR Freq
Limit
Max performance is enabled.
Collaborative CPU
Performance
Control
Enables or disables the CPU power management. When set to
Enabled
, the CPU
power management is controlled by the OS DBPM and the System DBPM (DAPC).
By default, the option is set to
Disabled
.
Memory Patrol
Scrub
Sets the memory patrol scrub frequency. By default, the
Memory Patrol Scrub
option is set to
Standard
.
Memory Refresh
Rate
Sets the memory refresh rate to either 1x or 2x. By default, the
Memory Refresh
Rate
option is set to
1x
.
Uncore Frequency
Selects the
Processor Uncore Frequency
.
Dynamic mode allows the processor to optimize power resources across the cores
and uncore during runtime. The optimization of the uncore frequency to either
save power or optimize performance is influenced by the setting of the
Energy
Efficiency Policy
.
Energy Efficient
Policy
Selects the
Energy Efficient Policy
.
The CPU uses the setting to manipulate the internal behavior of the processor and
determines whether to target higher performance or better power savings.
Number of Turbo
Boot Enabled
Cores for
Processor 1
NOTE:
If there are two processors installed in the system, you see an entry for
Number of Turbo Boost Enabled Cores for Processor 2
.
Controls the number of turbo boost enabled cores for processor 1. By default, the
maximum number of cores is enabled.
Number of Turbo
Boot Enabled
NOTE:
If there are two processors installed in the system, you see an entry for
Number of Turbo Boost Enabled Cores for Processor 2
.
134