Dell PowerEdge R440 EMC Installation and Service Manual - Page 51
Table 40. TPM 1.2 security information continued, AC Power Recovery
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Option Description Table 40. TPM 1.2 security information (continued) Option Description 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 41. TPM 2.0 security information Option TPM Information TPM Firmware TPM Hierarcy Description Changes the operational state of the TPM. This option is set to No Change by default. Indicates the firmware version of the TPM. 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. TPM Information Enables you to change the operational state of the TPM. This option is set to No Change by default. 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. 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. This field is read-only when TPM Security is set to Off. The action requires an additional reboot before it can take effect. TPM Advanced Settings This setting is enabled only when TPM Security is set to ON. Intel(R) TXT Enables you to set 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 Off by default. Power Button Enables you to set 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. AC Power Recovery Delay Enables you to set the time that the system should take to turn on after AC power is restored to the system. This option is set to Immediate by default. User Defined Enables you to set the User Defined Delay option when the User Defined option for AC Power Recovery Delay (60 s to 600 Delay is selected. s) 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. Pre-operating system management applications 51
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