Dell PowerEdge T630 Owner's Manual page 40

Menu Item
TPM Information
TPM Status
TPM Command
Intel TXT
Power Button
NMI Button
AC Power Recovery
AC Power Recovery Delay
User Defined Delay (60s to
240s)
UEFI Variable Access
Secure Boot
Secure Boot Policy
Secure Boot Policy
Summary
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.
40
Description
Changes the operational state of the TPM. By default, the TPM Activation
option is set to No Change.
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.
Enables or disables the power button on the front of the system. By
default, the Power Button option is set to Enabled.
Enables or disables the NMI button on the front of the system. By default,
the NMI Button option is set to Disabled.
Sets how the system reacts after AC power is restored to the system. By
default, the AC Power Recovery option is set to Last.
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.
Sets the User Defined Delay when the User Defined option for AC Power
Recovery Delay is selected.
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.
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.
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.
Displays the list of certificates and hashes that secure boot uses to
authenticate images.