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Knowledge Article: ID B0A000281: Uncorrectable memory error detected on DIMM %d

Description

An uncorrectable memory error has occurred on the specified DIMM for the specified blade server.

Causes

The specified DIMM has encountered an uncorrectable memory error.

Implications

A DIMM that has encountered a uncorrectable memory error generates this event.

Resolutions

Perform these steps:

  1. Check the IBM Support Web page for related service bulletins.
  2. Check the blade server BIOS change history on the Web for any memory related fixes. Update the BIOS if applicable.
  3. Use Light Path diagnostics to verify the affected DIMM bank.
    1. Record the DIMM part number and size for future reference.
    2. Verify that the memory DIMM is supported on the IBM ServerProven web site.
  4. Verify that the DIMMs are seated properly, especially if this is a new installation. If the DIMMs required reseating, boot the blade into BIOS setup and enable the memory bank.
  5. Replace both DIMMs in the memory bank, boot the blade server to BIOS to set up and enable the memory bank.

Additional information

To find additional troubleshooting help, visit the "IBM Support & downloads" Web site, select "BladeCenter" for "Browse products for support" panel. At "Support & downloads quick start" page, select your product for "Choose your products", and "Troubleshooting" for "Choose your page", then select "View your page" for "See your results". To narrow the results, search with keywords that are related to this article, such as "fail", "Chassis", etc. in the "Search support" field at the right panel.

To download the latest firmware or drivers, visit the "Fix Central" Web site, select "BladeCenter" for "Product Group" (from the pull-down lists), select your product for "Product" (from the pull-down lists), select your product machine type for "Product" (from the pull-down lists), and select your operating system for "Operating system" (from the pull-down lists). You can refine the search by selecting the category of the download of your interest from the "Refine results" list.