Owners Manual
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.
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.
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 inuenced by the
setting of the Energy Eciency Policy option.
40 Pre-operating system management applications