Menu Item DescriptionNMI Button Enables or disables the NMI button on the front of the system. By default,the NMI Button option is set to Disabled.AC Power Recovery Sets how the system reacts after AC power is restored to the system. Bydefault, the AC Power Recovery option is set to Last.AC Power Recovery Delay Sets how the system supports staggering of power up after AC power isrestored to the system. By default, the AC Power Recovery Delay optionis set to Immediate.User Defined Delay (60s to240s)Sets the User Defined Delay when the User Defined option for AC PowerRecovery Delay is selected.UEFI Variable Access Provides varying degrees of securing UEFI variables. When set toStandard (the default) UEFI variables are accessible in the OperatingSystem per the UEFI specification. When set to Controlled, selected UEFIvariables are protected in the environment and new UEFI boot entries areforced to be at the end of the current boot order.Secure Boot Enables Secure Boot, where the BIOS authenticates each pre-boot imageusing the certificates in the Secure Boot Policy. Secure Boot is disabledby default.Secure Boot Policy When Secure Boot policy is Standard, the BIOS uses the systemmanufacturer’s key and certificates to authenticate pre-boot images.When Secure Boot policy is Custom, the BIOS uses the user-defined keyand certificates. Secure Boot policy is Standard by default.Secure Boot PolicySummaryDisplays the list of certificates and hashes that secure boot uses toauthenticate images.Secure Boot Custom Policy Settings screenSecure 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 PolicySettings.Menu Item DescriptionPlatform Key Imports, exports, deletes, or restores the platformkey (PK).Key Exchange Key Database Allows you to import, export, delete, or restoreentries in the Key Exchange Key (KEK) Database.Authorized Signature Database Imports, exports, deletes, or restores entries in theAuthorized Signature Database (db).Forbidden Signature Database Imports, exports, deletes, or restores entries in theForbidden Signature Database (dbx).Miscellaneous Settings screenYou can use the Miscellaneous Settings screen to perform specific functions such as updating the assettag, and changing the system date and time.You can view the Miscellaneous Settings screen by clicking System Setup Main Menu → System BIOS →Miscellaneous Settings.32
