Supermicro X11DPS-RE User Manual page 92

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Super X11DPS-RE User's Manual
UEFI ARM Mirror
If this feature is set to Enable, mirror mode configuration settings for UEFI-based Address
Range memory will be enabled upon system boot. This will create a duplicate copy of data
stored in the memory to increase memory security, but it will reduce the memory capacity
into half. The options are Disable and Enable.
Memory Rank Sparing
Select Enable to support memory-rank sparing to optimize memory performance. The
options are Enable and Disable.
Note: This item will not be available when memory mirror mode is set to Enable Mirror
Mode 1LM or an AEP device is plugged in.
Correctable Error Threshold
Use this item to enter the threshold value for correctable memory errors. The default setting
is 100.
Intel Run Sure
Select Enable to use Intel Run Sure Technology which will enhance critical data protection
and increase system uptime and resiliency. The options are Enable and Disable.
ADDDC (Adaptive Double Device Data Correction) Sparing (Available when Intel
Run Sure is set to Enable)
Select Enable for Adaptive Double Device Data Correction (ADDDC) support, which will
not only provide memory error checking and correction but will also prevent the system
from issuing a performance penalty before a device fails. Please note that virtual lockstep
mode will only start to work for ADDDC after a faulty DRAM module is spared. The options
are Enable and Disable.
Patrol Scrub
Patrol Scrubbing is a process that allows the CPU to correct correctable memory errors
detected in a memory module and send the corrections to the requestor (the original
source). When this feature is set to Enable, the IO hub will read and write back one cache
line every 16K cycles if there is no delay caused by internal processing. By using this
method, roughly 64 GB of memory behind the IO hub will be scrubbed every day. The
options are Enable and Disable.
Patrol Scrub Interval
Use this item to specify the number of hours (between 0 to 24) required for the system to
complete a full patrol scrubbing. Enter 0 for patrol scrubbing to be performed automatically.
The default setting is 24.
Note: This item is hidden when Patrol Scrub item is set to Disable.
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