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

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Menu Item
Description
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 Disabled.
C States
Enables or disables the processor to operate in all available power states. By default, the C States option is set to
Enabled.
Write Data CRC
Enables or disables Write Data CRC. By default option is set to Disabled.
Collaborative CPU
Enables or disables the CPU power management. When set to Enabled, the CPU power management is controlled
Performance
by the OS DBPM and the System DBPM (DAPC). By default, the option is set to Disabled.
Control
Memory Patrol
Sets the memory patrol scrub frequency. By default, the Memory Patrol Scrub option is set to Standard.
Scrub
Memory Refresh
Sets the memory refresh rate to either 1x or 2x. By default, the Memory Refresh Rate option is set to 1x.
Rate
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
Selects the Energy Efficient Policy.
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
Controls the number of turbo boost enabled cores for processor 1. By default, the maximum number of cores is all.
Monitor/Mwait
Enables the Monitor/Mwait instructions in the processor. By default, the Monitor/Mwait option is set to Enabled
for all system profiles, except Custom.
CPU Interconnect
Enables or disables CPU Interconnect Bus Link Power Management By default, the option is set to Disabled.
Bus Link Power
Management
PCI ASPM L1 Link
Enables or disables PCI ASPM L1 Link Power Management. By default, the option is set to Disabled.
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.
You can view the System Security screen by clicking System Setup Main Menu > System BIOS > System Security Settings.
The System Security Settings screen details are explained as follows:
Menu Item
Description
Intel AES-NI
Improves the speed of applications by performing encryption and decryption using the Advanced Encryption
Standard Instruction Set and is set to Enabled by default.
108
BIOS and UEFI
NOTE:
If there are two processors installed in the system, you see an entry for Number of Turbo Boost
Enabled Cores for Processor 2.
NOTE:
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
impact system power/performance.

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