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 Lines: 14 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