Dell EMC PowerEdge XE7440 Installation And Service Manual page 38

System Security
You can use the System Security screen to perform specific functions such as setting the system password, setup password
and disabling the power button.
Viewing System Security
To view the System Security screen, perform the following steps:
Steps
1. Power 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 finish 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 Security.
System Security Settings details
About this task
The System Security Settings screen details are explained as follows:
Option Description
CPU AES-NI Improves the speed of applications by performing encryption and decryption by using the Advanced
Encryption Standard Instruction Set (AES-NI). This option is set to Enabled by default.
System Enables you to set the system password. This option is read-only if the password jumper is not installed in
Password the system.
Setup Password Enables you to set the system setup password. This option is read-only if the password jumper is not
installed in the system.
Password Status Enables you to lock the system password. This option is set to Unlocked by default.
TPM Security
Enables you to control the reporting mode of the TPM. The TPM Security option is set to Off by
default. You can only modify the TPM Status TPM Activation, and the Intel TXT fields if the TPM Status
field is set to either On with Pre-boot Measurements or On without Pre-boot Measurements.
Intel(R) TXT Enables you to set the Intel Trusted Execution Technology (TXT) option. To enable the Intel TXT option,
virtualization technology and TPM Security must be enabled with Pre-boot measurements. This option is
set to Off by default.
Power Button Enables you to set the power button on the front of the system. This option is set to Enabled by default.
AC Power Sets how the system behaves after AC power is restored to the system. This option is set to Last by
Recovery default.
UEFI Variable Provides varying degrees of securing UEFI variables. When set to Standard (the default), UEFI variables
Access are accessible in the operating system per the UEFI specification. When set to Controlled, selected UEFI
variables are protected in the environment, and new UEFI boot entries are forced to be at the end of the
current boot order.
Secure Boot Enables Secure Boot, where the BIOS authenticates each pre-boot image by using the certificates in the
Secure Boot Policy. Secure Boot is set to Disabled by default.
38 Pre-operating system management applications
NOTE: The TPM menu is available only when the TPM module is installed.