System Prole Settings
You can use the System Prole Settings screen to enable specic system performance settings such as power management.
Viewing System Prole Settings
To view the System Prole Settings screen, perform the following steps:
1  Turn on, or restart your system.
2  Press F2 immediately after you see the following message:
F2 = System Setup
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 Prole Settings.
System Prole Settings details
The System Prole Settings screen details are explained as follows:
Option
Description
System Prole Sets the system prole. If you set the System Prole 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 prole setting screen are available only when the System 
Prole 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 specic 
speed. This option is set to Maximum Performance by default.
Turbo Boost Enables or disables the processor to operate in the turbo boost mode. This option is set to Enabled by default.
Energy Ecient 
Turbo
Enables or disables the Energy Ecient Turbo option.
Energy Ecient 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.
Pre-operating system management applications 51