Owners Manual

NOTE: If your operating system begins to load before you press F2, wait for the system to nish booting, and then restart
your system and try again.
3 On the System Setup Main Menu screen, click System BIOS.
4 On the System BIOS screen, click System Prole Settings.
System Prole Settings details
The System Prole Settings screen details are explained as follows:
Table 34. System Prole Settings
Option Description
System Prole Sets the system prole. If you set the System Prole 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., other options include
Performance Per Watt (OS), Performance Per Watt (HWPM), Performance, and
Workstation Performance.
NOTE: All the parameters on the system prole setting screen are available only
when the System Prole 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. Other options include OS DBPM,
Maximum Performance, and Hardware P States.
Memory Frequency Sets the speed of the system memory. You can select Maximum Performance, Maximum
Reliability, or a specic speed.
Turbo Boost Enables or disables the processor to operate in the turbo boost mode. This option is set to
Enabled by default.
Energy Ecient Turbo
Enables or disables the Energy Ecient Turbo option.
Energy Ecient 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.
Write Data CRC Enables or disables the Write Data CRC. 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.
44 Pre-operating system management applications