Menu Item
Description
Redirection After Boot
Enables or disables 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
You can use the
System Profile Settings
screen to enable specific system performance settings such as
power management.
To view the
System Profile Settings
click
System Setup Main Menu
→
System BIOS
→
System Profile
Settings
.
Menu Item
Description
System Profile
Sets 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
Sets 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
Sets the speed of the system memory. You can select
Maximum
Performance
,
Maximum Reliability
, or a specific speed.
Turbo Boost
Enables or disables the processor to operate in turbo boost mode. By
default, the
Turbo Boost
option is set to
Enabled
.
Energy Efficient Turbo
Enables or disables the
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.
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
Enabled
.
C States
Enables or disables the processor to operate in all available power states.
By default, the
C States
option is set to
Enabled
.
Collaborative CPU
Performance Control
Enables or disables the CPU power management. 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
.
Memory Patrol Scrub
Sets the memory patrol scrub frequency. By default, the
Memory Patrol
Scrub
option is set to
Standard
.
Memory Refresh Rate
Sets the memory refresh rate to either 1x or 2x. By default, the
Memory
Refresh Rate
option is set to
1x
.
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
.
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