Owners Manual

3. On the System Setup Main Menu screen, click System BIOS.
4. On the System BIOS screen, click System Profile Settings.
Related references
System Profile Settings on page 41
Related tasks
System Profile Settings details on page 42
System Profile Settings details
About this task
The System Profile Settings screen details are explained as follows:
Option
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. This option is set to Performance Per Watt Optimized (DAPC) by default. DAPC is Dell
Active Power Controller.
NOTE: All the parameters on the system profile setting screen are available only when the System
Profile option is set to Custom.
CPU Power
Management
Sets the CPU power management. This option is set to System DBPM (DAPC) by default. 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 the turbo boost mode. This option is set to Enabled by
default.
Energy Efficient
Turbo
Enables or disables the Energy Efficient Turbo option.
Energy Efficient Turbo (EET) is a mode of operation where a processor’s core frequency is adjusted to be
within the turbo range based on workload.
C1E Enables or disables the processor to switch to a minimum performance state when it is idle. This option is
set to Enabled by default.
C States Enables or disables the processor to operate in all available power states. This option is set to Enabled by
default.
Collaborative
CPU
Performance
Control
Enables or disables the CPU power management option. When set to Enabled, the CPU power
management is controlled by the OS DBPM and the System DBPM (DAPC). This option is set to
Disabled by default.
Memory Patrol
Scrub
Sets the memory patrol scrub frequency. This option is set to Standard by default.
Memory Refresh
Rate
Sets the memory refresh rate to either 1x or 2x. This option is set to 1x by default.
Uncore
Frequency
Enables you to select the Processor Uncore Frequency option.
Dynamic mode enables 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 option.
Energy Efficient
Policy
Enables you to select the Energy Efficient Policy option.
The CPU uses the setting to manipulate the internal behavior of the processor and determines whether to
target higher performance or better power savings.
42 Pre-operating system management applications