A diagnostic function detects an external processor interface problem. If replacing the FRUs previously listed in the FRU list does not fix the problem, perform the following:
8203-E4A, 9407-M15, and 9408-M25
8204-E8A and 9409-M50
8234-EMA, 9117-MMA, and 9406-MMA
9125-F2A
9119-FHA
8203-E4A, 9407-M15, 9408-M25, 8204-E8A, and 9409-M50
8234-EMA, 9117-MMA, and 9406-MMA
Replace the regulator distribution backplane (Un-P2). Refer to System FRU locations for information on locating the regulator distribution backplane.