Acer ALTOS R910 Series User Manual page 170

160
DIMM population with sparing
The tables below list the suggested DDR2 DIMM module population
for memory sparing configuration.
Population with one memory board
Memory board A Memory board B
1A/1B 2A/2B 1A/1B
2 x 2 x
512 MB 512 MB
(Sparing)
2 x 1 GB 2 x 1 GB
(Sparing)
2 x 2 GB 2 x 2 GB
(Sparing)
2 x 4 GB
(Sparing)*
2 x 4 GB 2 x 4 GB
(Sparing)*
* Only 4GB of memory installed in DIMM 1A/1B slots will be reserved as spare DIMMs, one
rank from each dual-rank DIMM.
Population with two memory boards
Memory board A Memory board B
1A/1B 2A/2B 1A/1B
2 x 2 x 2 x
512 MB 512 MB 512 MB
(Sparing) (Sparing)
2 x 1 GB 2 x 1 GB 2 x 1 GB
(Sparing) (Sparing)
2 x 2 GB 2 x 2 GB 2 x 2 GB
(Sparing) (Sparing)
2 x 4 GB 2 x 4GB
(Sparing)* (Sparing)*
2 x 4 GB 2 x 4 GB 2 x 4GB
(Sparing)* (Sparing)*
* Only 4GB of memory installed in DIMM 1A/1B slots will be reserved as spare DIMMs, one
rank from each dual-rank DIMM.
Appendix B: Memory configuration options
Memory board C
2A/2B 1A/1B 2A/2B
Memory board C
2A/2B 1A/1B 2A/2B
2 x
512 MB
2 x 1 GB
2 x 2 GB
2 x 4 GB
2 x 4 GB
Memory board D
Physical
1A/1B 2A/2B
memory
2 GB
4 GB
8 GB
8 GB
16 GB
Memory board D
Physical
1A/1B 2A/2B
memory
4 GB
8 GB
16 GB
16 GB
32 GB
Total Memory
Detected
by OS
1 GB
2 GB
4 GB
4 GB
12 GB
Total Memory
Detected
by OS
2 GB
4 GB
8 GB
8 GB
24 GB