Datasheet

22
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Refer to the following table for supported DDRII populations.
(Note: X indicates a populated DIMM slot)
Channel A Channel B NotesMode
DDRII1 DDRII2 DDRII3 DDRII4
Populated Empty Empty Empty
Empty Populated Empty Empty
Populated Populated Empty Empty
Empty Empty Populated Empty
Empty Empty Empty Populated
Single
Channel
Empty Empty Populated Populated
Populated Empty Populated Empty 1
Populated Empty Empty Populated 1
Populated Empty Populated Populated 2
Empty Populated Populated Empty 1
Empty Populated Empty Populated 1
Empty Populated Populated Populated 2
Populated Populated Populated Empty 2
Populated Populated Empty Populated 2
Dual
Channel
Symmetric
Populated Populated Populated Populated 3
Populated Empty Populated Empty 4
Populated Empty Empty Populated 4
Populated Empty Populated Populated 4
Empty Populated Populated Empty 4
Empty Populated Empty Populated 4
Empty Populated Populated Populated 4
Populated Populated Populated Empty 4
Populated Populated Empty Populated 4
Dual
Channel
Asymmetric
Populated Populated Populated Populated 4
Note:
1. The same size DIMM is populated in each channel. For example, Channel A has
one 256MB DIMM and Channel B has one 256MB DIMM.
2. The same total amount of memory is populated in each channel. For example,
Channel A has one 512MB DIMM and Channel B has two 256MB DIMMs.
3. The same total amount of memory is populated in each channel. For example,
Channel A has two 256MB DIMMs and Channel B has two 256MB DIMMs.
4. The total amount of memory populated in each channel is not the same. For
example, Channel A has one 256MB DIMM and Channel B has two 256MB DIMMs.
Another example is Channel A has two 256MB DIMMs and Channel B has two
512MB DIMMs.