CPU to Memory Association

CPU to Memory Group Map

Notes

1. The minimum operating system is Solaris 8 10/01 with all applied patches, or Solaris 8 2/02.
   OBP >=4.7.5 Version is required.
   
2. The USIII is Cheetah+ 1200MHz or Cheetah++ 1200MHz.
3. Mixing module speeds within a system is not supported.
4. Although the above information states the minimum OBP levels, it is highly recommended that Sun Fire V480/V880 servers with >=1050MHz CPUs be at OBP 4.10.8 or higher.

Memory Notes

1. Memory errors include CPU number, J number, and Slot location.
2. Four DIMMs of the same size form a group.
3. The minimum memory is sixteen DIMMS in groups A0, A1, B0, and B1.
4. DIMM groups associated with a failed CPU are unavailable for use.
5. Interleaving is limited to memory on the same CPU/Memory Board.
6. Two-way interleaving occurs in any group when the DIMM size does not match the size used in any other group.
7. Four-way interleaving occurs between any two groups when the DIMM sizes are the same.
8. Eight-way interleaving occurs when the DIMMs in all four groups are the same size.