Dell E75S001 Reference Guide

Table 22. System Security details (continued)
Option Description
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, not support on persistent
memory configuration), 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.
NOTE: When upgrading from an earlier BIOS version to BIOS 1.7.4, the SGX feature
will be disabled. In the "SGX Factory Reset" menu in the "System Security" setup
menu, the user must first re-enable SGX with a factory reset.
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
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.
AC Power Recovery Delay Sets the time delay for the system to power up after AC power is restored to
the system. This option is set to Immediate by default. When this option is set to
Immediate, there is no delay for power up. When this option is set to Random, the
system creates a random delay for power up. When this option is set to User Defined,
the system delay time is manually to power up.
User Defined Delay (60 s to 600
s)
Sets the User Defined Delay option when the User Defined option for AC Power
Recovery Delay is selected. The actual AC recovery time needs to add iDRAC root of
trust time (around 50 seconds).
20 Pre-operating system management applications

Dell E75S001 Specifications

General

Brand	Dell
Model	E75S001
Category	Server
Language	English