Dell PowerEdge C6520 EMC BIOS and UEFI Reference Guide - Page 18

Table 20. TPM 1.2 security information (continued) Option Description 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 21. TPM 2.0 security information Option Description TPM Information TPM Security 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 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 2.0 is installed, the TPM Security option is set to On or Off. This option is set to Off by default. TPM Information TPM Firmware TPM Hierarcy Changes the operational state of the TPM. This option is set to No Change by default. Indicates the firmware version of the TPM. 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 Settings Specifies TPM Advanced Settings details. Table 22. System Security details (continued) Option Description 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. Memory Encryption Enables or disables the Intel Total Memory Encryption (TME). When option is set to Disabled, BIOS disables both TME and MK-TME technology. When option is set to Enabled, BIOS enables the TME technology. This option is set to Disabled by default. Intel(R) SGX Enables you to set the Intel Software Guard Extension (SGX) option. To enable the Intel SGX option, processor must be SGX capable, memory population must be compatible (minimum x8 identical DIMM1 to DIMM8 per CPU socket), memory operating mode must be set at optimizer mode, memory encryption must be enabled and node interleaving must be disabled. This option is set to Off by default. When this option is to Off, BIOS disables the SGX technology. When this option is to On, BIOS enables the SGX technology. SGX Package Info In-Band Access Enables you to access the Intel Software Guard Extension (SGX) package info in-band option. This option is set to Off by default. PPMRR Size Sets the PPMRR size. SGX QoS Enables or disables the SGX quality of service. Select Owner EPOCH input type Enables you to select Change to New random Owner EPOCHs or Manual User Defined Owner EPOCHs. Each EPOCH is 64-bit. After generating new EPOCH by 18 Pre-operating system management applications