Acer Altos R920 Series User Manual page 187

Memory sparing population
The tables below list the suggested FBDIMM module population for
memory sparing configuration.
Population with two memory boards
DIMM Memory board
slot* A
1 to 2 2 x 1 GB
1 to 4 4 x 1 GB
1 to 6 6 x 1 GB
1 to 8 8 x 1 GB
1 to 2 2 x 2 GB
1 to 4 4 x 2 GB
1 to 6 6 x 2 GB
1 to 8 8 x 2 GB
1 to 2 2 x 4 GB
1 to 4 4 x 4 GB
1 to 6 6 x 4 GB
1 to 8 8 x 4 GB
* DIMM slot 1 in memory boards A and B is configured to sparing mode.
Population with four memory boards
DIMM Memory board
slot* A
1 to 2 2 x 1 GB
1 to 4 4 x 1 GB
1 to 6 6 x 1 GB
1 to 8 8 x 1 GB
1 to 2 2 x 2 GB
1 to 4 4 x 2 GB
1 to 6 6 x 2 GB
1 to 8 8 x 2 GB
1 to 2 2 x 4 GB
1 to 4 4 x 4 GB
1 to 6 6 x 4 GB
1 to 8 8 x 4 GB
* DIMM slot 1 in memory boards A, B, C, and D is configured to sparing mode.
Memory board Memory board
B C
2 x 1 GB
4 x 1 GB
6 x 1 GB
8 x 1 GB
2 x 2 GB
4 x 2 GB
6 x 2 GB
8 x 2 GB
2 x 4 GB
4 x 4 GB
6 x 4 GB
8 x 4 GB
Memory board Memory board
B C
2 x 1 GB 2 x 1 GB
4 x 1 GB 4 x 1 GB
6 x 1 GB 6 x 1 GB
8 x 1 GB 8 x 1 GB
2 x 2 GB 2 x 2 GB
4 x 2 GB 4 x 2 GB
6 x 2 GB 6 x 2 GB
8 x 2 GB 8 x 2 GB
2 x 4 GB 2 x 4 GB
4 x 4 GB 4 x 4 GB
6 x 4 GB 6 x 4 GB
8 x 4 GB 8 x 4 GB
Total memory
Memory board
Physical
D
memory
4 GB
8 GB
12 GB
16 GB
8 GB
16 GB
24 GB
32 GB
16 GB
32 GB
48 GB
64 GB
Total memory
Memory board
Physical
D
memory
2 x 1 GB 8 GB
4 x 1 GB 16 GB
6 x 1 GB 24 GB
8 x 1 GB 32 GB
2 x 2 GB 16 GB
4 x 2 GB 32 GB
6 x 2 GB 48 GB
8 x 2 GB 64 GB
2 x 4 GB 32 GB
4 x 4 GB 64 GB
6 x 4 GB 96 GB
8 x 4 GB 128 GB
169
Detected
by OS
3 GB
7 GB
11 GB
15 GB
6 GB
14 GB
22 GB
30 GB
12 GB
28 GB
44 GB
60 GB
Detected
by OS
6 GB
14 GB
22 GB
30 GB
12 GB
28 GB
44 GB
60 GB
24 GB
56 GB
88 GB
120 GB