Path: utzoo!attcan!uunet!ginosko!uakari.primate.wisc.edu!ames!mailrus!cornell!uw-beaver!rice!sun-spots-request
From: dupuy@cs.columbia.edu (Alexander Dupuy)
Newsgroups: comp.sys.sun
Subject: Re: sun4 memory board in sun3 ?
Keywords: Hardware
Message-ID: <1813@brazos.Rice.edu>
Date: 28 Sep 89 17:42:31 GMT
Sender: root@rice.edu
Organization: Sun-Spots
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Approved: Sun-Spots@rice.edu
X-Sun-Spots-Digest: Volume 8, Issue 145, message 6 of 14

> From: cg-atla!weber@cs.utexas.edu
> X-Sun-Spots-Digest: Volume 8, Issue 140, message 6 of 13

> The board for a 3/200 series machine is not compatible with a 3/100 based
> machine.  No jumpers or other variables will make it so.  As far as I know
> your 3/200 memory board will only work in 3/200's and will not work in
> 3/400 or 4/300 either.

I was under the impression that the 3/400 series used the same memory
architecture as the 3/200 and 4/200 - just with a 68030 CPU.  The 3/100
and 4/300 series definitely have incompatible memory architectures,
though.

@alex