Dell E05B001 Manuale di riferimento - Pagina 20
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Option
Description
CPU Power
Sets the CPU power management. This option is set to System DBPM (DAPC) by default. DBPM is
Management
Demand-Based Power Management. Other options include OS DBPM, and Maximum Performance.
Memory
Sets the speed of the system memory. You can select Maximum Performance, Maximum Reliability or
Frequency
a specific speed. This option is set to Maximum Performance by default.
Turbo Boost
Enables or disables the processor to operate in the turbo boost mode. This option is set to Enabled by
default.
C1E
Enables or disables the processor to switch to a minimum performance state when it is idle. This option is
set to Enabled by default.
C States
Enables or disables the processor to operate in all available power states. This option is set to Enabled by
default.
Write Data CRC
Enables or disables the Write Data CRC. This option is set to Disabled by default.
Memory Patrol
Sets the memory patrol scrub frequency. This option is set to Standard by default.
Scrub
Memory Refresh
Sets the memory refresh rate to either 1x or 2x. This option is set to 1x by default.
Rate
Uncore
Enables you to select the Processor Uncore Frequency option.
Frequency
Dynamic mode enables 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 option.
Energy Efficient
Enables you to select the Energy Efficient Policy option.
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. This option is set to Balanced Performance by
default.
Number of
Turbo Boost
Enabled Cores
Controls the number of turbo boost enabled cores for Processor 1. The maximum number of cores is All by
for Processor 1
default.
Monitor/Mwait
Enables the Monitor/Mwait instructions in the processor. This option is set to Enabled for all system
profiles, except Custom by default.
CPU
Enables or disables the CPU Interconnect Bus Link Power Management. This option is set to Enabled by
Interconnect Bus
default.
Link Power
Management
PCI ASPM L1
Enables or disables the PCI ASPM L1 Link Power Management. This option is set to Enabled by default.
Link Power
Management
Intel Persistent
Controls the tuning function for Quality of Service (QoS) knobs. Disabled by default. Recipe 1 is
Memory CR QoS
recommended for 2-2-2 memory configurations in App-Direct. Recipe 2 is recommended for other
memory configurations in App-Direct. Recipe 3 is recommended for 1 DIMM per channel configurations.
Intel Persistent
Controls the thresholds that trigger switching between near (RDIMM/LRDIMM) and far (DCPMM)
Memory
memory. BW Optimized, selected by default, optimizes for RDIMM/LRDIMM and DCPMM bandwidth.
20
BIOS and UEFI
NOTE:
All the parameters on the system profile setting screen are available only when the System
Profile option is set to Custom.
NOTE:
If there are four processors installed in the system, you will see an entry for Number of
Turbo Boost Enabled Cores for Processor 4.
NOTE:
This option can be disabled only if the C States option in the Custom mode is set to
disabled.
NOTE:
When C States is set to Enabled in the Custom mode, changing the Monitor/Mwait setting
does not impact the system power or performance.