Description
An error occurred while reading the Control Register of specified Multiplexer Expansion Module. The Multiplexer Expansion Module is architected to provide increase serviceability to BCHT by removing functionality from the mid-plane onto hot pluggable module.
Causes
Implications
Resolutions
Users can wait for MM recovering this error. If it does not work, it is possibly a hardware problem of the Multiplexer Expansion Module.
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.