Technical Product Specification

Intel® Server Board S5520UR and S5520URT TPS 4BBIOS Setup Utility
Revision 1.9 Intel order number E44031-012
65
5.3.2.2.2.1 Configure Memory RAS and Performance Screen
The Configure Memory RAS and Performance screen allows the user to customize several
memory configuration options, such as whether to use Memory Mirroring.
To access this screen from the Main screen, select Advanced > Memory > Configure
Memory RAS and Performance.
Advanced
Memory RAS and Performance Configuration
Capabilities
Memory Mirroring Possible Yes/No
Select Memory RAS Configuration
Maximum Performance
/Mirroring
NUMA Optimized Disabled/
Enabled
Figure 19. Setup Utility — Configure RAS and Performance Screen Display
Table 20. Setup Utility — Configure RAS and Performance Screen Fields
Setup Item
Options
Help Text
Comments
Memory Mirroring
Possible
Yes/No
Information only. Only displayed
on systems with chipsets capable
of Memory Mirroring.
Select Memory
RAS Configuration
Maximum Performance
Mirroring
Available modes depend on the
current memory population.
[Maximum Performance] -
Optimizes system performance.
[Mirroring] - Optimizes reliability by
using half of physical memory as a
backup.
Only available if Mirroring is
possible.
NUMA Optimized Enabled
Disabled
If enabled, BIOS includes ACPI
tables that are required for
NUMA aware Operating
Systems.