Acer AT310 F1 - Manual (Page 68)

3 System upgrades 50
Memory identification
Generally, there is memory information printed on the label of the
DIMM module. Different vendors may have different formats but the
convention is usually like this:
Item Description
Density 1 GB, 2 GB, 4 GB, 8 GB.
This server supports DIMM organized by 1 Gb or 2 Gb
DRAM chips.
Rank 1R = Single Rank
2R = Dual Rank
4R = Quad Rank
Note: If quad rank DIMM is used, a maximum of only two
DIMMs per channel can be supported. It is not
recommended to mix DIMMs with different ranks in one
system.
Bit
Organization This platform supports x4 and x8. But x4 is only supported
by Xeon X3400 series processor.
Speed PC3 - 6400 => DDR3- 800
PC3 - 8500 => DDR3- 1066
PC3 - 10600 => DDR3- 1333
Density
Rank
Bit organization
Speed