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From: tgkreimer@miavx0.ham.muohio.edu (Tom Kreimer)
Newsgroups: comp.sys.atari.st.tech
Subject: Memory upgrade - old 520ST
Message-ID: <1991Jan2.015014.358@miavx0.ham.muohio.edu>
Date: 2 Jan 91 05:50:14 GMT
Organization: Miami University, Hamilton campus
Lines: 19

(Sorry, I planned to E-mail this, but I lost the original address)

Yes, the 2.5 one should work for you. The 4 meg one WILL NOT work. I have
returned mine and am waiting for the 2.5 in exchange. The 3-D/4MEG works,
but you can't put the back on at all, even with only 2 meg installed.
It is just too big for your machine.

You want the CO25912-38, not the CO100109-001. The later can only address up
to 1 Meg. and is only in the newer machines. I don't know about the -A, but 
it seems ok.

My 2 meg board should be here in another week or so, I can say for sure then,
but I am reasonably certain it will work now.

If you want more 'help' with the Zubair board, just ask. (E-mail's best)
--------------------------------------------------------------------------------
Tom Kreimer      |  tgkreimer@miavx1.acs.muohio.edu           | Opinions are
Miami University |  tgkreimer@miavx2.bitnet                   | mine only,
  Oxford, Ohio   | "I Usta Dint No Nuttin, Now I Are A Xburt" | if I have one.