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Memory

This menu offers options to change the memory settings.

Table 1. Memory
ItemOptionsDescription
System Memory Details

N/A

Displays status of the system memory.

 
Total Usable Memory Capacity

yyyy GB

Displays Total Usable Memory Capacity.

 
Memory Speed

  • Minimal Power

  • Balanced

  • Max Performance (Default)

Selects the desired memory speed.

[Maximum Performance] maximizes performance.

[Balanced] offers a balance between performance and power.

[Minimal power] maximizes power savings.

When a preset mode is selected, the low-level settings are not changeable and will be grayed out. To change the settings, choose System Settings > Operating Modes > Choose Operating Mode >Custom Mode.

Memory Power Management

  • Automatic

  • Disabled (Default)

[Disabled] maximizes performance and minimizes power savings.

[Automatic] is suitable for most applications.

When a preset mode is selected, the low-level settings are not changeable and will be grayed out. To change the settings, choose System Settings > Operating Modes > Choose Operating Mode >Custom Mode.

Socket Interleave

  • NUMA (Default)

  • Non-NUMA

Sets Socket Interleave to NUMA(Non Unified Memory Architecture) or Non-NUMA.

[NUMA] means that memory is not interleaved across processors.

[Non-NUMA] means that memory is interleaved across processors.

Note
Setting change requires a Power Good reset to take effect.
Patrol Scrub

  • Enabled (Default)

  • Disabled

Enables or disables Patrol Scrub which proactively searches the system memory to repair correctable errors.

When [Enabled] is selected, Patrol Scrub takes effect at the end of POST.

Memory Data Scrambling

  • Enabled (Default)

  • Disabled

Enables or disables Memory Data Scrambling.

ADDDC Sparing

  • Disabled

  • Enabled (Default)

Enables or disables ADDDC Sparing.

ADDDC Sparing is not supported when the server has x8 DIMM, 9x4 value DIMM or memory is set to [Mirror mode] (Full or Partial).

Page Policy

  • Adaptive (Default)

  • Closed

[Adaptive] can improve performance for applications with a highly localized memory access pattern.

[Closed] can benefit applications that access memory more randomly.

Cold Boot Fast

  • Enabled (Default)

  • Disabled

Enables or disables Cold Boot Fast.

AC Boot Fast

  • Enabled

  • Disabled (Default)

Enables or disables AC Boot Fast which is for AC boot only.

Memory Test

  • Disabled

  • Enabled (Default)

Enables or disables Memory Test during normal boot.

2x Refresh Rate

  • Disabled (Default)

  • Auto

[Disabled] sets the system with 1x refresh rate.

[Auto] sets the system with 2x refresh rate if it is supported by the system.

Setting it to [Auto] can mitigate Rowhammer issue, but that might have a performance impact.

2x refresh rate is not supported by system that has 16Gb 3DS with 4 Die DIMM.