From mboxrd@z Thu Jan 1 00:00:00 1970 From: schily@schily.net (Joerg Schilling) Date: Wed, 29 Mar 2017 11:38:05 +0200 Subject: [TUHS] Release of 8th, 9th and 10th Editions Unix In-Reply-To: <201703290822.v2T8Mv1c009720@farg.inf.ed.ac.uk> References: <201703290822.v2T8Mv1c009720@farg.inf.ed.ac.uk> Message-ID: <58db807d.qn8Xmvl3ZuN+bN3u%schily@schily.net> George Ross wrote: > > I think that the 3/50 was a "single board" VME system... and as you say > > you really couldn't add anything to it. > > IIRC the only way to add anything to it was to pull the processor from its > socket, plug in a daughterboard, and then plug the processor back into that. > It did feel a whole lot more responsive with that extra 8MB of memory! The method to "upgrade" a Sun-3/50 was to pull the gate arrays and add a doughter board. There have been such extensions from "Sunflower". A company that was latrer forced by Sun to rename into "Solflower". Jörg -- EMail:joerg at schily.net (home) Jörg Schilling D-13353 Berlin joerg.schilling at fokus.fraunhofer.de (work) Blog: http://schily.blogspot.com/ URL: http://cdrecord.org/private/ http://sourceforge.net/projects/schilytools/files/