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Knowledge Article: ID B04000080: Multiprocessor Expansion Unit board fault.

Description

A fault has occurred in the Multiprocessor Expansion Unit for the specified blade server.

Causes

The addin card sensor detects a Multiprocessor Expansion Unit fault.

Implications

The management module generates this event.

Resolutions

Perform these steps:

  1. Flash (update if applicable) the firmware for the baseboard management controller (BMC) service processor, the BIOS, and the firmware for the advanced management module.
  2. Reseat the Multiprocessor Expansion Unit.
  3. Remove all components in the Multiprocessor Expansion Unit. Then add the components back in, one at a time. Restart the blade server each time to see if the issue has been corrected.
  4. Replace the following components one at a time, in the order shown, restarting the blade server each time:
    1. Multiprocessor Expansion Unit
    2. (Trained service technician only) base system board assembly

Refer to the Problem Determination and Service Guide for the specified blade server type for information about the Multiprocessor Expansion Unit. The Problem Determination and Service Guide is available on the Web.

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.