MEM_FLAG_RDDR4
mci->mtype_cap = MEM_FLAG_DDR4 | MEM_FLAG_RDDR4;
mci->mtype_cap = MEM_FLAG_DDR4 | MEM_FLAG_RDDR4 |
MEM_FLAG_DDR4 | MEM_FLAG_RDDR4 |
mci->mtype_cap = MEM_FLAG_RDDR4;