Dell Precision 7920 Rack Owner's Manual page 109

Menu Item Description
System Password Sets 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 Sets the setup password. This option is read-only if the password jumper is not installed in the system.
Password Status Locks the system password. By default, the Password Status option is set to Unlocked.
TPM Information Changes the operational state of the TPM. By defaultoption is set to No TPM Present.
Intel TXT Enables or disables the 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.
Power Button Enables or disables the power button on the front of the system. By default, the Power Button option is set to
Enabled.
AC Power Recovery Sets 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 Sets how the system supports staggering of power up after AC power is restored to the system. By default, the
Delay AC Power Recovery Delay option is set to Immediate.
User Defined Delay Sets the User Defined Delay when the User Defined option for 0 is selected.
(60s to 240s)
UEFI Variable Provides varying degrees of securing UEFI variables. When set to Standard (the default) UEFI variables are
Access 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 ME PCI Cfg Enabled this setting will hide the PCU configuration space for the management engine (ME) HECI device and is
Space set to Disabled by default.
Secure Boot Enables Secure Boot, where the BIOS authenticates each pre-boot image using the certificates in the Secure Boot
Policy. Secure Boot is disabled by default.
Secure Boot Policy When Secure Boot policy is Standard, the BIOS uses the system manufacturer's key and certificates to
authenticate pre-boot images. When Secure Boot policy is Custom, the BIOS uses the user-defined key and
certificates. Secure Boot policy is Standard by default.
Secure Boot Mode This field enabled how to use Secure boot policy object (PK, KEK, db, dbx).
Secure Boot Policy Views the list of certificates and hashes that secure boot uses to authenticated images.
Summary
Secure Boot Custom Policy Settings
Secure Boot Custom Policy Settings is displayed only when Secure Boot Policy is set to Custom.
In the System Setup Main Menu, click System BIOS > System Security > Secure Boot Custom Policy Settings.
The Secure Boot Custom Policy Settings screen details are explained as follows:
Menu Item Description
Platform Key Imports, exports, deletes, or restores the platform key (PK).
Key Exchange Key Allows you to import, export, delete, or restore entries in the Key Exchange Key (KEK) Database
Database
Authorized Signature Imports, exports, deletes, or restores entries in the Authorized Signature Database (db).
Database
Forbidden Signature Imports, exports, deletes, or restores entries in the Forbidden Signature Database (dbx).
Database
BIOS and UEFI 109