JB_NUM_DIMMS_PER_GROUP
#define JB_NUM_DIMMS (JB_NUM_DIMM_GROUPS * JB_NUM_DIMMS_PER_GROUP)
first_dimm = dp->index * JB_NUM_DIMMS_PER_GROUP;
for (dimm = 0; dimm < JB_NUM_DIMMS_PER_GROUP; dimm++) {