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Memory Configuration Errors on a PowerEdge Server.

Summary: This article provides solutions to commun memory errors on Dell PowerEdge servers.

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Article Content


Symptoms

This articles describe common configurations memory errors and how to solve them.

Table of common errors

  1. 128-bit Advanced ECC mode disabled. For 128-bit Advanced ECC, DIMMs must be installed in pairs. Pairs must be matched in size and geometry.
  2. Alert! Advanced ECC Memory Mode disabled! Memory configuration does not support Advanced ECC Memory Mode.
  3. Alert! Node Interleaving disabled! Memory configuration does not support Node Interleaving.
  4. Quad rank DIMM detected after single rank or dual rank DIMM in socket.
  5. Memory Initialization Warning: Memory size may be reduced
  6. Memory set to minimum frequency.
  7. The current memory configuration may support only the minimum frequency.
  8. MEMTEST lane failure detected on x
  9. Mirror mode disabled. For mirror mode, DIMMs must be installed in pairs. Pairs must be matched in size and geometry.
  10. The following DIMMs should match in size: x,x


 
128-bit Advanced ECC mode disabled. For 128-bit Advanced ECC, DIMMs must be installed in pairs. Pairs must be matched in size and geometry.

Causes:
The Advanced ECC option was enabled in BIOS, but is no longer valid due to an unsupported memory configuration, possibly a faulty or removed memory module. The Advanced ECC setting has been disabled.

Solution:
Check other messages for a faulty memory module. Reconfigure the memory modules for Advanced ECC mode.

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Alert! Advanced ECC Memory Mode disabled! Memory configuration does not support Advanced ECC Memory Mode.

Causes:
Advanced ECC Memory Mode was enabled in the system setup program, but the current configuration does not support Advanced ECC Memory Mode. A memory module may be faulty.

Solution:
Ensure that the memory modules are installed in a configuration that supports Advanced ECC Memory Mode. Check other system messages for additional information for possible causes.

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Alert! Node Interleaving disabled! Memory configuration does not support Node Interleaving.

Causes:
The memory configuration does not support node interleaving, or the configuration has changed (for example, a memory module has failed) so that node interleaving cannot be supported. The system will still run, but without node interleaving.

Solution:
Ensure that the memory modules are installed in a configuration that supports node interleaving. Check other system messages for additional information for possible causes.

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Quad rank DIMM detected after single rank or dual rank DIMM in socket.

Causes:
Invalid memory configuration.

Solution:
Ensure that the memory modules are installed in a valid configuration.

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Memory Initialization Warning: Memory size may be reduced

Causes:
Invalid memory configuration. The system will run but with less memory than is physically available.

Solution:
Ensure that the memory modules are installed in a valid configuration.

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Memory set to minimum frequency.

Causes:
The memory frequency may be intentionally set lower for power conservation.

Solution:
If not an intentional setting, check any other system messages for possible causes.

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The current memory configuration may support only the minimum frequency.

Causes:
Ensure that your memory configuration supports the higher frequency.

Solution:
If not an intentional setting, check any other system messages for possible causes.

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MEMTEST lane failure detected on x

Causes:
Invalid memory configuration. Mismatched memory modules are installed.

Solution:
Ensure that the memory modules are installed in a valid configuration.

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Mirror mode disabled. For mirror mode, DIMMs must be installed in pairs. Pairs must be matched in size and geometry.

Causes:
The memory configuration does not match the setting in BIOS. The BIOS setting has been disabled.

Solution:
Reconfigure the memory modules for Memory Mirroring mode.

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The following DIMMs should match in size: x,x,...

Causes:
Invalid memory configuration. The specified memory modules do not match in size, number of ranks, or number of data lanes..

Solution:
Ensure that the memory modules are installed in a valid configuration.

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Cause

-

Resolution

-

Article Properties


Affected Product

Servers, PowerEdge

Last Published Date

23 Sep 2021

Version

4

Article Type

Solution