• Software Guard Extensions Epoch 0 [ ]
• Software Guard Extensions Epoch 1 [ ]
b.
Enter a 1-16 digit hexadecimal value for each EPOCH value.
c.
Write down the values. They are not shown again after you leave this screen.
d.
.
7.
Press
F10
.
After you exit, the option is automatically set to
No Change in Owner EPOCHs
.
Setting the PRMRR size
Use this task to set the size of the protected region in the system. If you enabled SGX in Software
Controlled mode, the PRMRR size is automatically set to Software Controlled. When Software Controlled
is enabled, you can change the region size here or with the driver software.
Prerequisites
Intel Software Guard Extensions (SGX) is enabled.
Procedure
1.
From the
System Utilities
screen, select
System Configuration
>
BIOS/Platform Configuration
(RBSU)
>
System Options
>
Processor Options
>
PRMRR Size
and press
Enter
.
2.
Select a setting and press
Enter
.
a. 32 MB
b. 64 MB
c. 128 MB
d. Software Controlled
- The size of the PRMRR region is determined by the Intel drivers, which can
be configured in the OS.
3.
Press
F10
.
SATA Controller Options
• Embedded SATA Configuration
• SATA Secure Erase
Embedded SATA Configuration
Use this option to enable embedded chipset SATA (Serial Advanced Technology Attachment) controller
support.
42
Configuring System Options
