'x280, x480, x880 compute node Type 7903'


      Explanation
      No system memory has been detected. No Memory Detected
      
         Severity
         Error
      User response
      Complete the following steps:

             Make sure that one or more DIMMs are installed in the server, and resolve any other currently existing memory errors.
              If no memory fault is recorded in the logs and no DIMM connector error LEDs are lit, verify that all DIMM connectors are enabled using the Setup utility or the Advanced Settings Utility (ASU).
             Re-Install all DIMMs verifying the correct population sequence, according to the service information for this product. 
             (Trained service technician only) Replace Processor.  Inspect Processor socket for foreign debris or damage. If debris is found, remove debris. If socket is damaged, replace the system board first.
             (Trained Service technician only) If error recurs, replace the system board.