Supermicro X11DPU-Z+ User Manual page 86

Super X11DPU-Z+ User's Manual
2X Refresh
This option allows the user to select 2X refresh mode. The options are Auto, Enabled,
and Disabled.
Page Policy
This feature allows the user to determine the desired page mode for IMC. When Auto is
selected, the memory controller will close or open pages based on the current operation.
Closed policy closes that page after reading or writing. Adaptive is similar to open page
policy, but can be dynamically modified. The default is Auto.
IMC Interleaving
This feature allows the user to configure Integrated Memory Controller (IMC) Interleaving
settings.The options are Auto, 1-way Interleave, and 2-way Interleave.
Memory Topology

This item displays the information of onboard memory modules as detected by the BIOS.
Memory RAS (Reliability_Availability_Serviceability) Configuration
Use this submenu to configure the following Memory RAS settings.
Static Virtual Lockstep Mode
Select Enable to support Static Virtual Lockstep mode to enhance memory performance.
The options are Disable and Enable.
Mirror Mode
Select Enable to set all 1LM/2LM memory installed in the system on the mirror mode, which
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, Mirror Mode 1LM
and Mirror Mode 2LM.
UEFI ARM Mirror
Select Enable to support the UEFI-based address range mirroring with setup option. The
options are Disable and Enable.
Memory Rank Sparing
Select Enable to support memory-rank sparing to optimize memory performance. The
options are Disable and Enable.
Note: This item will not be available when memory mirror mode is enabled.
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