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Memory sparing population
The tables below list the suggested FBDIMM module population for memory sparing configuration.
Population with two memory boards
DIMM | Memory board | Memory board | Memory board | Memory board | Total memory | |
slot* | A | B | C | D | Physical | Detected |
|
|
|
|
| memory | by OS |
1 to 2 | 2 x 1 GB | 2 x 1 GB |
|
| 4 GB | 3 GB |
|
|
|
|
|
|
|
1 to 4 | 4 x 1 GB | 4 x 1 GB |
|
| 8 GB | 7 GB |
|
|
|
|
|
|
|
1 to 6 | 6 x 1 GB | 6 x 1 GB |
|
| 12 GB | 11 GB |
|
|
|
|
|
|
|
1 to 8 | 8 x 1 GB | 8 x 1 GB |
|
| 16 GB | 15 GB |
|
|
|
|
|
|
|
1 to 2 | 2 x 2 GB | 2 x 2 GB |
|
| 8 GB | 6 GB |
|
|
|
|
|
|
|
1 to 4 | 4 x 2 GB | 4 x 2 GB |
|
| 16 GB | 14 GB |
|
|
|
|
|
|
|
1 to 6 | 6 x 2 GB | 6 x 2 GB |
|
| 24 GB | 22 GB |
|
|
|
|
|
|
|
1 to 8 | 8 x 2 GB | 8 x 2 GB |
|
| 32 GB | 30 GB |
|
|
|
|
|
|
|
1 to 2 | 2 x 4 GB | 2 x 4 GB |
|
| 16 GB | 12 GB |
|
|
|
|
|
|
|
1 to 4 | 4 x 4 GB | 4 x 4 GB |
|
| 32 GB | 28 GB |
|
|
|
|
|
|
|
1 to 6 | 6 x 4 GB | 6 x 4 GB |
|
| 48 GB | 44 GB |
|
|
|
|
|
|
|
1 to 8 | 8 x 4 GB | 8 x 4 GB |
|
| 64 GB | 60 GB |
|
|
|
|
|
|
|
* DIMM slot 1 in memory boards A and B is configured to sparing mode.
Population with four memory boards
DIMM | Memory board | Memory board | Memory board | Memory board | Total memory | |
slot* | A | B | C | D | Physical | Detected |
|
|
|
|
| memory | by OS |
1 to 2 | 2 x 1 GB | 2 x 1 GB | 2 x 1 GB | 2 x 1 GB | 8 GB | 6 GB |
|
|
|
|
|
|
|
1 to 4 | 4 x 1 GB | 4 x 1 GB | 4 x 1 GB | 4 x 1 GB | 16 GB | 14 GB |
|
|
|
|
|
|
|
1 to 6 | 6 x 1 GB | 6 x 1 GB | 6 x 1 GB | 6 x 1 GB | 24 GB | 22 GB |
|
|
|
|
|
|
|
1 to 8 | 8 x 1 GB | 8 x 1 GB | 8 x 1 GB | 8 x 1 GB | 32 GB | 30 GB |
|
|
|
|
|
|
|
1 to 2 | 2 x 2 GB | 2 x 2 GB | 2 x 2 GB | 2 x 2 GB | 16 GB | 12 GB |
|
|
|
|
|
|
|
1 to 4 | 4 x 2 GB | 4 x 2 GB | 4 x 2 GB | 4 x 2 GB | 32 GB | 28 GB |
|
|
|
|
|
|
|
1 to 6 | 6 x 2 GB | 6 x 2 GB | 6 x 2 GB | 6 x 2 GB | 48 GB | 44 GB |
|
|
|
|
|
|
|
1 to 8 | 8 x 2 GB | 8 x 2 GB | 8 x 2 GB | 8 x 2 GB | 64 GB | 60 GB |
|
|
|
|
|
|
|
1 to 2 | 2 x 4 GB | 2 x 4 GB | 2 x 4 GB | 2 x 4 GB | 32 GB | 24 GB |
|
|
|
|
|
|
|
1 to 4 | 4 x 4 GB | 4 x 4 GB | 4 x 4 GB | 4 x 4 GB | 64 GB | 56 GB |
|
|
|
|
|
|
|
1 to 6 | 6 x 4 GB | 6 x 4 GB | 6 x 4 GB | 6 x 4 GB | 96 GB | 88 GB |
|
|
|
|
|
|
|
1 to 8 | 8 x 4 GB | 8 x 4 GB | 8 x 4 GB | 8 x 4 GB | 128 GB | 120 GB |
|
|
|
|
|
|
|
* DIMM slot 1 in memory boards A, B, C, and D is configured to sparing mode.