Model 570

1. Use FRUs that were previously specified to determine if the system processors are on separate nodes. Are the system processors on separate nodes?
   • No: Continue with to step 2.
   • Yes: Do the following:
     1. Power off the system (see Powering on and powering off).
     2. Replace the SMP cables between the two nodes.
     3. Perform a slow boot.
     4. Is the problem resolved?
        • Yes: This ends the procedure.
        • No: Continue to step 2.
2. Power off the system (see Powering on and powering off).
3. Replace the bad node backplane or backplanes by using NODEPL.
4. . This ends the procedure.