Users Guide

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.Performance Per Watt (OS).
NOTE: All the parameters on the system profile setting screen 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)OS DBPM 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 turbo boost mode. 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.
Monitor/Mwait Enables the Monitor/Mwait instructions in the processor. This option is set to Enabled for all system profiles,
except Custom by default.
NOTE: This option can be disabled only if the C States option in the Custom mode is set to
disabled.
NOTE: When C States is set to Enabled in the Custom mode, changing the Monitor/Mwait setting
does not impact the system power or performance.
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.
Memory Operating
Voltage
Sets the DIMM voltage selection. When set to Auto, the system automatically sets the system voltage to the
optimal setting based on the DIMM capacity and the number of DIMMs installed. By default, the Memory
Operating Voltage option is set to Auto.
Collaborative CPU
Performance
Control
Enables or disables the CPU power management. 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.
System security screen
Menu Item
Description
Intel AES-NI Improves the speed of applications by performing encryption and decryption using the Advanced Encryption
Standard Instruction Set and is set to Enabled by default.
System Password Allows you to set the system password. This option is set to Enabled by default and is read-only if the password
jumper is not installed in the system.
Setup Password Allows you to set the setup password. This option is read-only if the password jumper is not installed in the
system.
Password Status Allows you to lock the system password. By default, the Password Status option is set to Unlocked.
TPM Security Allows you to control the reporting mode of the Trusted Platform Module (TPM). By default, the TPM Security
option is set to Off. You can only modify the TPM Status, TPM Activation , and Intel TXT fields if the TPM
Status field is set to either On with Pre-boot Measurements or On without Pre-boot Measurements.
TPM Activation Allows you to change the operational state of the TPM. By default, the TPM Activation option is set to No
Change.
TPM Status Displays the TPM status.
TPM Clear
CAUTION: Clearing the TPM results in the loss of all keys in the TPM. The loss of TPM keys may
affect booting to the operating system.
Allows you to clear all the contents of the TPM. By default, the TPM Clear option is set to No.
Using the system setup and boot manager 79