Installing A Memory Module - Acer AR380 F1 Series User Manual

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Memory identification
Generally, there are some memory information printed on the label of
the DIMM module. Different vendors may have different formats but
the convention is usually like this:
Item
Density
Rank
Bit
Organization
Speed

Installing a memory module:

Warning! Memory of the identical size, speed, and organization
must be installed in the same colored DIMM slots.
1 Observe the pre-installation instructions on page 26.
Description
1GB, 2GB,4GB,8GB.
Intel Xeon Processor 5500 Series CPU supports DIMM
organized by 1Gb or 2Gb DRAM chips.
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.
This platform supports x4 and x8.
Note: It is not recommend to mix DIMMs with different bit
organizations in one system.
PC3 - 6400 => DDR3- 800
PC3 - 8500 => DDR3- 1066
PC3 - 10600 => DDR3- 1333
PC3 - 12800 => DDR3- 1600
3 System upgrades