Menu Item

Description

 

 

TPM Information

Changes the operational state of the TPM. By default, the TPM Activation

 

option is set to No Change.

TPM Status TPM Command

Intel TXT

Displays the TPM status.

CAUTION: Clearing the TPM results in the loss of all keys in the TPM. The loss of TPM keys may affect booting to the operating system.

Clears all the contents of the TPM. By default, the TPM Clear option is set to No.

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.

NMI 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. By

 

default, 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 is

 

restored to the system. By default, the AC Power Recovery Delay option

 

is set to Immediate.

User Defined Delay (60s to

Sets the User Defined Delay when the User Defined option for AC Power

240s)

Recovery Delay is selected.

UEFI Variable Access

Provides varying degrees of securing UEFI variables. When set to

 

Standard (the default), UEFI variables 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

 

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 Policy

Displays the list of certificates and hashes that secure boot uses to

Summary

authenticate images.

Secure Boot Custom Policy Settings screen

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.

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Dell T630 owner manual Secure Boot Custom Policy Settings screen