Menu Item
Description
Password Status
Locks the system password. By default, the
Password Status
option is set
to
Unlocked
.
TPM Security
NOTE: The TPM menu is available only when the TPM module is
installed.
Allows you to control the reporting mode of the Trusted Platform
Module (TPM). By default, the
TPM Security
option is set to
Off
. You can
only modify the TPM Status, TPM Activation, and Intel TXT fields if the
TPM Status
field is set to either
On with Pre-boot Measurements
or
On
without Pre-boot Measurements
.
TPM Information
Changes the operational state of the TPM. By default, the
TPM Activation
option is set to
No Change
.
TPM Status
Displays the TPM status.
TPM Command
CAUTION: Clearing the TPM results in the loss of all keys in the
TPM. The loss of TPM keys may affect booting to the OS.
Clears all the contents of the TPM. By default, the
TPM Clear
option is set
to
No
.
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
.
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
240s)
Sets the
User Defined Delay
when the
User Defined
option for
AC Power
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 OS 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. By default, Secure Boot is
disabled.
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
Summary
Displays the list of certificates and hashes that secure boot uses to
authenticate images.
34
