1. System BIOS
Express5800/R120d-1E, R120d-2E Maintenance Guide
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Chapter 2 Convenient Features
Option Parameter
Descriptions
Memory RAS Mode
[Independent]
Mirroring
Lock Step
Sparing
Specify the memory RAS mode.
Patrol Scrub
[Disabled]
Enabled
Enable or disable memory RAS feature (Patrol
Scrubbing).
Demand Scrub
Disabled
[Enabled]
Enable or disable memory RAS feature
(Demand Scrubbing).
[ ]: Factory setting
(a) Memory
Information submenu
For details about the options, see the table below (display only).
Option Parameter
Descriptions
Total Memory
Information Only
The physical capacity of installed memory is
displayed.
Available under 4 GB
Information Only
Memory capacity available in an area under 4
GB is displayed.
Current Memory Speed
Information Only
The current memory operating frequency is
displayed.
Mirroring
Information Only
Supported
is displayed when mirroring
feature is available in the current memory
configuration.
Sparing
Information Only
Supported
is displayed when sparing feature
is available in the current memory
configuration.
