Dell E45S003 Manual de referencia - Página 18
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Table 21. TPM 1.2 security information
Option
Description
TPM Security
Enables you to control the reporting mode of the TPM. The TPM Security option is set to Off by
default. You can only modify the TPM Status, and TPM Activation if the TPM Status field is set to
either On with Pre-boot Measurements or On without Pre-boot Measurements.
When TPM 1.2 is installed, the TPM Security option is set to Off, On with Pre-boot Measurements,
or On without Pre-boot Measurements.
When TPM 2.0 is installed, the TPM Security option is set to On or Off. This option is set to Off by
default.
TPM Information
Changes the operational state of the TPM. This option is set to No Change by default.
TPM Firmware
Indicates the firmware version of the TPM.
TPM Status
Specifies the TPM status.
TPM Command
Controls the Trusted Platform Module (TPM). When set to None, no command is sent to the TPM.
When set to Activate, the TPM is enabled and activated. When set to Deactivate, the TPM is disabled
and deactivated. When set to Clear, all the contents of the TPM are cleared. This option is set to None
by default.
Table 22. TPM 2.0 security information
Option
Description
TPM Information
Changes the operational state of the TPM. This option is set to No Change by default.
TPM Firmware
Indicates the firmware version of the TPM.
TPM Hierarcy
Enables, disables, or clears the storage and endorsement hierarchies. When set to Enabled, the storage
and endorsement hierarchies can be used.
When set to Disabled, the storage and endorsement hierarchies cannot be used.
When set to Clear, the storage and endorsement hierarchies are cleared of any values, and then reset
to Enabled.
TPM Advanced
Specifies TPM Advanced Settings details.
Settings
Table 23. System Security details
Option
AMD Dynamic Root of Trust
Measurement (DRTM)
Power Button
AC Power Recovery
AC Power Recovery Delay
User Defined Delay (60 s to 600
s)
UEFI Variable Access
18
Pre-operating system management applications
NOTE:
The TPM menu is available only when the TPM module is installed.
Description
Enable/Disable AMD Dynamic Root of Trust Measurement (DRTM)
To enable AMD DRTM, below configurations must be enabled:
1. TPM2.0 must be enabled and the hash algorithm must be set to SHA256.
2. Transparent SME (TSME) must be enabled.
3. Direct Memory Access Protection must be enabled.
Enables or disables the power button on the front of the system. This option is set to
Enabled by default.
Sets how the system behaves after AC power is restored to the system. This option is
set to Last by default.
Sets the time delay for the system to power up after AC power is restored to the
system. This option is set to Immediate by default.
Sets the User Defined Delay option 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