Dell PowerEdge XR7620 Installation And Service Manual

Table 71. System Security details (continued)Option DescriptionMemory Encryption Enables or disables the Intel Total Memory Encryption (TME) and Multi-Tenant (Intel®TME-MT). When option is set to Disabled, BIOS disables both TME and MK-TMEtechnology. When option is set to Single Key BIOS enables the TME technology. Whenoption is set to Multiple Keys, BIOS enables the TME-MT technology. This option is setto Disabled by default.TME Encryption Bypass Allows the option to bypass the Intel Total Memory Encryption. This option is set toDisabled by default.Intel(R) SGX Enables you to set the Intel Software Guard Extension (SGX) option. To enable the IntelSGX option, processor must be SGX capable, memory population must be compatible(minimum x8 identical DIMM1 to DIMM8 per CPU socket, not support on persistentmemory configuration), memory operating mode must be set at optimizer mode, memoryencryption must be enabled and node interleaving must be disabled. This option is set toOff by default. When this option is to Off, BIOS disables the SGX technology. When thisoption is to On, BIOS enables the SGX technology.SGX Package Info In-BandAccessEnables you to access the Intel Software Guard Extension (SGX) package info in-bandoption. This option is set to Off by default.PPMRR Size Sets the PPMRR size.SGX QoS Enables or disables the SGX quality of service. This option is set to Enabled by default.Select Owner EPOCH input type Enables you to select Change to New random Owner EPOCHs or Manual UserDefined Owner EPOCHs. Each EPOCH is 64-bit. After generating new EPOCH byselecting Change to New random Owner EPOCHs, the selection reverts back toManual User Defined Owner EPOCHs.Software Guard Extensions Epoch n: Sets the Software Guard Extensions Epochvalues.Enable writes toSGXLEPUBKEYHASH[3..0] fromOS/SWEnables or disables the Enable writes to SGXLEPUBKEYHASH[3:0] from OS/SW. Thisoption is set to Enabled by default.SGX LE Public Key Hash0: Sets the bytes from 0-7 for SGX Launch Enclave PublicKey Hash.SGX LE Public Key Hash1: Sets the bytes from 8-15 for SGX Launch Enclave PublicKey Hash.SGX LE Public Key Hash2: Sets the bytes from 16-23 for SGX Launch Enclave PublicKey Hash.SGX LE Public Key Hash3: Sets the bytes from 24-31 for SGX Launch Enclave PublicKey Hash.Enable/Disable SGX Auto MPRegistration AgentEnables are disables the SGX Auto MP Registration. The MP registration agent isresponsible to register the platform.SGX Factory Reset Enables you to reset the SGX option to factory settings. This option is set to Off bydefault.Power Button Enables or disables the power button on the front of the system. This option is set toEnabled by default.AC Power Recovery Sets how the system behaves after AC power is restored to the system. This option isset to Last by default.NOTE: The host system will not power on until iDRAC Root of Trust (RoT) iscompleted, host power on will be delayed by minimum 90 seconds after the ACapplied.AC Power Recovery Delay Sets the time delay for the system to power up after AC power is restored tothe system. This option is set to Immediate by default. When this option is set toImmediate, there is no delay for power up. When this option is set to Random, thePre-operating system management applications 65