DELL E23S Series User Manual

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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 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.
NOTE: If, On with Pre-boot measurements or On without Pre-boot measurements option is 
selected following warning message is displayed: A system password or setup 
password is recommended with this TPM security settings.
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.
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. By default, the User Defined Delay (60s to 240s) option is set to 60.
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