The Oracle ILOM show faulty command displays current faults, including DIMM failures.
-> show faulty Target | Property | Value --------------------+-------------------+------------------- /SP/faultmgmt/0 | fru | /SYS/MB/CM0/CMP/MR0/BOB1/CH0/DIMM /SP/faultmgmt/0 | timestamp | Dec 21 16:40:56 /SP/faultmgmt/0/ | timestamp | Dec 21 16:40:56 faults/0 /SP/faultmgmt/0/ | sp_detected_fault | /SYS/MB/CM0/CMP/MR0/BOB1/CH0/DIMM faults/0 | | Forced fail(POST)
See Memory Riser and DIMM FRU Names.
In this example, /SYS/MB/CM0/CMP/MR1/BOB1/CH0/DIMM indicates the memory riser that is second farthest from the power supplies and the DIMM in a slot with white handles and a black slot.