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

[Peter Chang]

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!
  http://en.wikipedia.org/wiki/Registered_memory

> 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.

hth
  Peter


This message has been checked for viruses but the contents of an attachment
may still contain software viruses, which could damage your computer system:
you are advised to perform your own checks. Email communications with the
University of Nottingham may be monitored as permitted by UK legislation.