System Security Screen
Menu Item Description
Intel AES-NI The 
Intel AES-NI option 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 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 enable or disable Intel Trusted Execution Technology. 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 field to 
Disabled. By default, the BIOS Update Control option is set to Unlocked.
NOTE
: BIOS updates using 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.
AC Power 
Recovery Delay
Allows you to set how the system supports staggering of power up after AC power is restored to 
the system. By default, the AC Power Recovery Delay option is set to Immediate.
User Defined 
Delay (60s to 240s)
Allows you to set the User Defined Delay when the User Defined option for AC Power Recovery 
Delay is selected.
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