On 31 Jul 2002, at 20:39, Brad Feuerhelm wrote:

> Hi All
>
> I understand the differences of SDRAM/ECC but what is registered?
> Isn't registered the same as ECC?
> If not which is better/worse?

  No.  "Registered" is an electrical characteristic, I believe
associated with the timing.
  "ECC" means that there are actually extra bits worth of memory
present, which can be used to correct minor memory errors "on the
fly".

> Crucial right now has pretty good deals on ram, but wanted to find
> out the differences before I buy.
>
> Planning on upgrading my wife's computer from 256 to 512 and was
> thinking about going ECC.
> She does a lot of graphics work and web site design.

  ECC could prevent minor memory problems from crashing a critical
server.  It's of limited importance on a workstation, although a
crash in the middle of a big Photoshop project would not be pleasant.
(It will only work if the motherboard supports it, and ALL of the
installed RAM has it....)

Dave Gillett

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