Dell EMC PowerEdge MX740c - Page 34

Option Description
TPM Information
NOTE: The TPM menu is available only when the TPM module is installed.
Enables you to control the reporting mode of the TPM. The TPM Security option is set to O by default. You can
only modify the TPM Status, and TPM Activation, and the Intel TXT elds if the TPM Status eld 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 O, On with Pre-boot Measurements, or On
without Pre-boot Measurements.
Table 4. TPM 1.2 security information
TPM information Description
TPM Information Changes the operational state of the TPM. This option is set to No Change by default.
TPM Firmware Indicates the rmware version of the TPM.
TPM Status Species 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.
When TPM 2.0 is installed, the TPM Security option is set to On or O. This option is set to O by default.
Table 5. TPM 2.0 security information
TPM information Description
TPM Information Changes the operational state of the TPM. This option is set to No Change by default.
TPM Firmware Indicates the rmware version of the TPM.
TPM Hierarcy
Enable, disable, or clear 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.
Intel(R) TXT Enables or disables the Intel Trusted Execution Technology (TXT) option. To enable the Intel TXT option,
virtualization technology and TPM Security must be enabled with Pre-boot measurements. This option is set to O
by default.
When TPM 2.0 is installed, TPM 2 Algorithm option is available. It enables you to select a hash algorithm from
those supported by the TPM (SHA1, SHA256). TPM 2 Algorithm option must be set to SHA256, to enable TXT.
Power Button Enables or disables the power button on the front of the system. This option is set to Enabled by default.
AC Power Recovery Sets how the system behaves after AC power is restored to the system. This option is set to Last by default.
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 specication. 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.
In-Band
Manageability
Interface
When set to Disabled, this setting will hide the Management Engine's (ME), HECI devices, and the system's IPMI
devices from the operating system. This prevents the operating system from changing the ME power capping
34 Pre-operating system management applications