System Profile Settings Screen - Dell PowerEdge R920 Owner's Manual

Menu Item Description
Redirection After Allows you to enable or disable to the BIOS console redirection when the operating system is
Boot loaded. By default, the Redirection After Boot option is set to Enabled.

System Profile Settings Screen

Menu Item Description
System Profile Allows you to set the system profile. If you set the System Profile option to a mode other than
Custom, the BIOS automatically sets the rest of the options. You can only change 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.
CPU Power Allows you to set the CPU power management. By default, the CPU Power Management option
Management is set to System DBPM (DAPC). DBPM is Demand-Based Power Management.
Memory Frequency Allows you to set the memory frequency. By default, the Memory Frequency option is set to
Maximum Performance.
Turbo Boost Allows you to enable or disable the processor to operate in turbo boost mode. By default, the
Turbo Boost option is set to Enabled.
C1E Allows you to enable or disable the processor to switch to a minimum performance state when
it is idle. By default, the C1E option is set to Enabled.
C States Allows you to enable or disable the processor to operate in all available power states. By
default, the C States option is set to Enabled.
Monitor/Mwait Allows you to enable Monitor/Mwait instructions in the processor. By default, the Monitor/
Mwait option is set to Enabled for all system profiles, except Custom.
Memory Patrol Scrub Allows you to set the memory patrol scrub frequency. By default, the Memory Patrol Scrub
option is set to Standard.
Memory Refresh Rate Allows you to set the memory refresh rate. By default, the Memory Refresh Rate option is set to
1x.
Memory Operating Allows you to set the DIMM voltage selection. When set to Auto, the system automatically sets
Voltage the system voltage to the optimal setting based on the DIMM capacity and the number of
DIMMs installed. By default, the Memory Operating Voltage option is set to Auto.
Collaborative CPU When set to Enabled, the CPU power management is controlled by the OS DBPM and the
Performance Control System DBPM (DAPC). By default, the option is set to Disabled.
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NOTE: The following parameters are available only when the System Profile is set to
Custom.
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.