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Article #30659

4 Meg-SIMMs

#30659
From: Thomas Lenggenhager
Date: Wed, 27 Jul 1988 13:04
41 lines
2099 bytes
Hi all,

I have an important matter to discuss (important for me, interesting for you?).

Next month, I hope, I will get some of the very first ** 4 Meg-SIMMs **, but a
friend of mine told me the other night that there are problems with some piece
of system software that the new chips won't be recognized.

This is what I know and here are my questions. Can anyone out there help?

1) 4 MB SIMMs won't be recognized at all in Plusses and SEs, right?  Why not,
   it's really a pitty :-(

2) In the Mac II, the following things happen:
-  The motherboard looks at the first 4 SIMMs and checks if these are 16 MB
   parts. If it doesn't find them, the next lower MB (KB) SIMMs are searched
   for (16MB -> 4MB -> 1MB -> 256KB).
-  Then, the second 4 SIMMs are checked if there are the same SIMMs as in the
   first four rows or if there are lower parts installed.

3) Is there somewhere a problem for me that makes it difficult or impossible to
   access this memory with the Mac OS? (I think, with Unix that should be no
   problem).

Thank you very much for your help. As soon as I'll get them I will send a short
report on these SIMMs.
     
        Gary T. Czychi             University of St.Gallen, Switzerland
     
====
                CZYCHI@CSGHSG52.BITNET   (also: CSGHSG53,CSGHSG5A)
                A-friends-account.UUCP   :-)
     
                        Tel.: --41 / 71 / 27 52 68
                              --49 / 211 / 46 01 23
     
        Private-SNail:                  Office-SNail:
        Schorenstr. 11a                 Hochschule St.Gallen
        CH - 9000 St.Gallen             Rechenzentrum
                                        Z.Hd. Herrn Gary Czychi
                                        CH - 9000 St.Gallen
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Message-ID: <563@ethz.UUCP>
Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!mcvax!cernvax!ethz!lengge

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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!mcvax!cernvax!ethz!lengge
From: lengge@ethz.UUCP (Thomas Lenggenhager)
Newsgroups: comp.sys.mac
Subject: 4 Meg-SIMMs
Message-ID: <563@ethz.UUCP>
Date: 27 Jul 88 13:04:27 GMT
Reply-To: lengge@bernina.UUCP (Thomas Lenggenhager)
Organization: ETH Zuerich, Switzerland
Lines: 41