RC_MSS_UNKNOWN_DIMM This DIMM's type (RDIMM, LRDIMM, etc) or DRAM generation (DDR3, DDR4, etc) are not supported by the system DIMM_TYPE DRAM_GEN MEMORY_PLUGGING_ERROR HIGH CODE MEDIUM DIMM_IN_ERROR LOW DIMM_IN_ERROR RC_MSS_BAD_MR_PARAMETER A bad parameter was passed to MR processing This is probably due to a bad value received from the SPD (e.g. unsupported cas latency) Could be a code error MR_NUMBER PARAMETER PARAMETER_VALUE MEMORY_PLUGGING_ERROR HIGH CODE MEDIUM DIMM_IN_ERROR LOW DIMM_IN_ERROR