Reference Guide

Table 21. TPM 2.0 security information (continued)
Option Description
TPM Advanced
Settings
Specifies TPM Advanced Settings details.
Table 22. System Security details
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 encryption, memory population
and interleaving must be enabled. This option is set to Off by default. When this option
is to Off, BIOS disables 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.
Intel(R) SGX When this option is to On, BIOS enables the SGX technology.
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
selecting Change to New random Owner EPOCHs, the selection reverts back to
Manual User Defined Owner EPOCHs.
Software Guard Extensions Epoch n: Sets the Software Guard Extensions Epoch
values.
Enable writes to
SGXLEPUBKEYHASH[3:0] from
OS/SW
Enables or disables the Enable writes to SGXLEPUBKEYHASH[3:0] from OS/SW.
SGX LE Public Key Hash0: Sets the bytes from 0-7 for SGX Launch Enclave Public
Key Hash.
SGX LE Public Key Hash1: Sets the bytes from 8-15 for SGX Launch Enclave Public
Key Hash.
SGX LE Public Key Hash2: Sets the bytes from 16-23 for SGX Launch Enclave Public
Key Hash.
SGX LE Public Key Hash3: Sets the bytes from 24-31 for SGX Launch Enclave Public
Key Hash.
Enable/Disable SGX Auto MP
Registration Agent
Enables are disables the SGX Auto MP Registration. The MP registration agent is
responsible to register the platform.
SGX Factory Reset Enables you to reset the SGX option to factory settings. This option is set to Off by
default.
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.
NOTE: The host system will not power on up until iDRAC Root of Trust (RoT) is
completed, host power on will be delayed by minimum 90 seconds after the AC
applied.
Pre-operating system management applications 19