Users Guide

Option Description
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.
Intel TXT Allows you to enable or disable Intel Trusted Execution Technology (TXT). To enable Intel TXT,
Virtualization Technology must be enabled and TPM Security must be Enabled with Pre-boot
measurements. By default, the Intel TXT option is set to Off.
BIOS Update
Control
Allows you to update the BIOS using either DOS or UEFI shell-based flash utilities. For environments that do
not require local BIOS updates, it is recommended to set this option to Disabled. By default, the BIOS
Update Control option is set to Unlocked.
NOTE: BIOS updates using the Dell Update Package are not affected by this option.
Power Button Allows you to enable or disable the power button on the front of the system. By default, the Power Button
option is set to Enabled.
NMI Button Allows you to enable or disable the NMI button on the front of the system. By default, the NMI Button
option is set to Disabled.
AC Power Recovery Allows you to set how the system reacts after AC power is restored to the system. By default, the AC
Power Recovery option is set to Last.
83