On 12/23/2012 05:21 PM, Cory Smelosky wrote: As i'm not getting anywhere with my TOPS-10 endeavours, I thought i'd try something else: older VAXVMS in SIMH's VAX-11/780 simulator. ;) 1). What would be the best/most interesting version to try? 2). Where would I get install media for these older versions? ;) I have a bunch of older VMS distributions. I don't know if they're available anywhere else or not; I would assume so but am not sure. At least several 3.x and 4.x distributions, going back to 3.0. Let me know if they're wanted and I can put them up somewhere. I'd say 4.7 for speed and period-correctness, 5.5 for featurefulness. The last release of VMS to run on an 11/780 was, I believe, v6.2. -Dave -- Dave McGuire, AK4HZ New Kensington, PA