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PowerEdge: How to configure the memory in the BIOS?

Summary: Dell PowerEdge servers can run under various Memory Operating Modes which are listed in this article and can be configured in the System Settings of each server.

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Article Content


This article provides information about the Memory Operating Modes of Dell PowerEdge servers.

The System Memory screen allows you to view all the memory settings as well as enable or disable specific memory functions such as system memory testing and node interleaving.

In the System Setup Main Menu, click System BIOS > System Memory.

You can specify the memory operating mode. The options available are Optimizer Mode, Advanced ECC Mode, Mirror Mode, Spare Mode, Spare with Advanced ECC Mode, and Dell Fault Resilient Mode.

Specifics BIOS memory information per server generation are available on this article. 

SLN306397_en_US__1icon Note: By default, the Memory Operating Mode option is set to Optimizer Mode.

 Information about each mode below is available in the product manuals for your server by clicking here (English only): 

  • Optimizer Mode
  • Advanced ECC Mode
  • Mirror Mode
  • Spare Mode
  • Dell Fault Resilient Mode





Article Properties

Affected Product

Servers, PowerEdge

Last Published Date

08 Oct 2021



Article Type