System Security Settings Screen Details - Dell Precision 7920 Owner's Manual

Menu Item Description
Enables or disables the Energy Efficient Turbo.
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.
Enables or disables the processor to switch to a minimum performance state when it is idle. By default,
C1E
the C1E option is set to Disabled.
Enables or disables the processor to operate in all available power states. By default, the C States option
C States
is set to Enabled.
Enables or disables Write Data CRC. By default option is set to Disabled.
Write Data CRC
Enables or disables the CPU power management. When set to Enabled, the CPU power management is
Collaborative
controlled by the OS DBPM and the System DBPM (DAPC). By default, the option is set to Disabled.
CPU
Performance
Control
Sets the memory patrol scrub frequency. By default, the Memory Patrol Scrub option is set to
Memory Patrol
Scrub Standard.
Sets the memory refresh rate to either 1x or 2x. By default, the Memory Refresh Rate option is set to
Memory Refresh
Rate 1x.
Selects the Processor Uncore Frequency.
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.
Selects the Energy Efficient Policy.
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
Controls the number of turbo boost enabled cores for processor 1. By default, the maximum number of
for Processor 1
cores is all.
Enables the Monitor/Mwait instructions in the processor. By default, the Monitor/Mwait option is set to
Monitor/Mwait
Enabled for all system profiles, except Custom.
Enables or disables CPU Interconnect Bus Link Power Management By default, the option is set to
CPU
Interconnect Bus Disabled.
Link Power
Management
Enables or disables PCI ASPM L1 Link Power Management. By default, the option is set to Disabled.
PCI ASPM L1
Link Power
Management

System security settings screen details

You can use the System Security screen to perform specific functions such as setting the system password, setup password,
and disabling the power button.
About this task
You can view the System Security screen by clicking System Setup Main Menu > System BIOS > System Security
Settings.
122 BIOS and UEFI
If there are two processors installed in the system, you see an entry for Number of Turbo
NOTE:
Boost Enabled Cores for Processor 2.
This option can be disabled only if the C States option in Custom mode is disabled.
NOTE:
When C States is enabled in Custom mode, changing the Monitor/Mwait setting does not
NOTE:
impact system power/performance.