[Nottingham] DDR RAM: "Registered" vs "Buffered"

Peter Chang Peter.Chang at nottingham.ac.uk
Mon Feb 26 19:12:34 GMT 2007

On Sun, 25 Feb 2007, Martin wrote:

> OK folks,
> In DDR RAM terminology, does "Registered" also mean "Buffered" and vice
> versa??

This is what Wikipedia's for!

> Or can you have Registered DDR2 RAM that is "Unbuffered"?

Not according to the definition. The register is the buffer.

> I know of "FB-DIMMs" ("Fully Buffered")... Is that something different
> again unrelated to the above?

>From http://en.wikipedia.org/wiki/Fully_Buffered_DIMM, it seems to an 
advancement on the state of the art.


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