Dell E30S Series Owner's Manual page 64

Option Description
Sets the system profile. If you set the System Profile option to a mode other than Custom, the BIOS
System Profile
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.
Sets the CPU power management. This option is set to System DBPM (DAPC) by default.
CPU Power
Management
Sets the speed of the memory. You can select Maximum Performance, Maximum Reliability, or a
Memory
specific speed.
Frequency
Enables or disables the processor to operate in the turbo boost mode. This option is set to Enabled by
Turbo Boost
default.
Enables or disables the Energy Efficient Turbo option.
Energy Efficient
Turbo
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.
Enables or disables the processor to switch to a minimum performance state when it is idle. This option is
C1E
set to Enabled by default.
Enables or disables the processor to operate in all available power states. This option is set to Enabled by
C States
default.
Enables or disables the CPU power management option. When set to Enabled, the CPU power
Collaborative
management is controlled by the OS DBPM and the System DBPM (DAPC). This option is set to
CPU
Disabled by default.
Performance
Control
Sets the memory patrol scrub frequency. This option is set to Standard by default.
Memory Patrol
Scrub
Sets the memory refresh rate to either 1x or 2x. This option is set to 1x by default.
Memory Refresh
Rate
Enables you to select the Processor Uncore Frequency option.
Uncore
Frequency
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.
Enables you to select the Energy Efficient Policy option.
Energy Efficient
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
Controls the number of turbo boost enabled cores for processor 1. The maximum number of cores is
for Processor 1
enabled by default.
Enables the Monitor/Mwait instructions in the processor. This option is set to Enabled for all system
Monitor/Mwait
profiles, except Custom by default.
Related references
System Profile Settings on page 63
64 Pre-operating system management applications
All the parameters on the system profile setting screen are available only when the System
NOTE:
Profile option is set to Custom.
If there are two processors installed in the system, you see an entry for Number of Turbo
NOTE:
Boost Enabled Cores for Processor 2.
This option can be disabled only if the C States option in the Custom mode is set to
NOTE:
disabled.
When C States is set to Enabled in the Custom mode, changing the Monitor/Mwait setting
NOTE:
does not impact the system power or performance.