Acer ALTOS R910 Series User Manual page 171

Population with four 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 2GB 2 x 2 GB
(Sparing) (Sparing)
2 x 4 GB 2 x 4 GB
(Sparing)* (Sparing)*
2 x 4 GB 2 x 4 GB 2 x 4 GB
(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.
DIMM population with mirroring
The tables below list the suggested DDR2 DIMM module population
for memory mirroring configuration.
Population with two memory boards
Memory board A Memory board B
1A/1B 2A/2B 1A/1B
2 x 2 x
512 MB 512 MB
(Mirror)
2 x 2 x 2 x
512 MB 512 MB 512 MB
(Mirror)
2 x 1 GB 2 x 1 GB
(Mirror)
2 x 1 GB 2 x 1 GB 2 x 1 GB
(Mirror)
2 x 2 GB 2 x 2 GB
(Mirror)
2 x 2 GB 2 x 2 GB 2 x 2 GB
(Mirror)
2 x 4 GB 2 x 4 GB
(Mirror)
2 x 4 GB 2 x 4 GB 2 x 4 GB
(Mirror)
Memory board C
2A/2B 1A/1B 2A/2B
2 x 2 x 2 x
512 MB 512 MB 512 MB
(Sparing)
2 x 1 GB 2 x 1 GB 2 x 1 GB 2 x 1 GB
(Sparing)
2 x 2GB 2 x 2 GB 2 x 2 GB 2 x 2 GB
(Sparing)
2 x 4 GB
(Sparing)*
2 x 4 GB 2 x 4 GB 2 x 4 GB 2 x 4 GB
(Sparing)*
Memory board C
2A/2B 1A/1B 2A/2B
2 x
512 MB
(Mirror)
2 x 1 GB
(Mirror)
2 x 2 GB
(Mirror)
2 x 4 GB
(Mirror)
Memory board D
Physical
1A/1B 2A/2B
memory
2 x 2 x
512 MB 512 MB 8 GB
(Sparing)
2 x 1 GB
16 GB
(Sparing)
2 x 2 GB
32 GB
(Sparing)
2 x 4 GB
32 GB
(Sparing)*
2 x 4 GB
64 GB
(Sparing)*
Memory board D
Physical
1A/1B 2A/2B
memory
2 GB
4 GB
4 GB
8 GB
8 GB
16 GB
16 GB
32 GB
161
Total Memory
Detected
by OS
4 GB
8 GB
16 GB
16 GB
32 GB
Total Memory
Detected
by OS
1 GB
2 GB
2 GB
4 GB
4 GB
8 GB
8 GB
16 GB