Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!asuvax!noao!stsci!bowles From: bowles@stsci.EDU (Richard Bowles) Newsgroups: comp.sys.dec Subject: Re: PDP 11/34 Information Message-ID: Date: 28 May 91 21:14:29 GMT References: <4362@meaddata.meaddata.com> <1991May28.031247.20059@world.std.com> Organization: Space Telescope Science Institute, Baltimore, MD 21218 Lines: 22 hal@world.std.com (Harry A Levinson) writes: >In article spa@fct.unl.pt (Salvador Pinto Abreu) writes: >> >>1Meg??? Are you sure it's an 11/34? I once ran such a beast (actually >>an 11/34a) and as far as I remember, having an 18-bit UNIBUS, it would >>only address 256Kb. >> >I believe ABLE or some other company once made an MMU/memory upgrade for >the PDP 11/34 that allowed it to go beyond the 256Kb limit. Yes, ABLE did make such a beast -- I believe they sold their older product line to a spin off, though. By the way, if the machine in question has the ABLE board, O/S patches were required to make it work (RSX or RSTS if my memory is correct) >harry levinson >hal@world.std.com Richard Bowles (former ABLE employee -- but a long time ago) bowles@stsci.edu