Dell PowerEdge R920 Dell PowerEdge R920 System Owners Manual - Page 26

System Profile Settings Screen, DAPC is Dell Active Power Controller.

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Menu Item Redirection After Boot Description Allows you to enable or disable to the BIOS console redirection when the operating system is loaded. By default, the Redirection After Boot option is set to Enabled. System Profile Settings Screen Menu Item System Profile Description 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. NOTE: The following parameters are available only when the System Profile is set to Custom. CPU Power Management Memory Frequency Turbo Boost C1E C States Monitor/Mwait Allows you to set the CPU power management. By default, the CPU Power Management option is set to System DBPM (DAPC). DBPM is Demand-Based Power Management. Allows you to set the memory frequency. By default, the Memory Frequency option is set to Maximum Performance. Allows you to enable or disable the processor to operate in turbo boost mode. By default, the Turbo Boost option is set to Enabled. 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. 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. 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. 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. 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 Voltage Allows you to set the DIMM voltage selection. When set to Auto, the system automatically sets 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. 26

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Menu Item
Description
Redirection After
Boot
Allows you to enable or disable to the BIOS console redirection when the operating system is
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.
NOTE:
The following parameters are available only when the
System Profile
is set to
Custom
.
CPU Power
Management
Allows you to set the CPU power management. By default, the
CPU Power Management
option
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
.
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.
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
Voltage
Allows you to set the DIMM voltage selection. When set to
Auto
, the system automatically sets
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
Performance Control
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
.
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