It's great to see these oldies get so much love. These are small enough that the power bill won't kill you immediately. The 'big iron' I worked with in the 80's required 400V tri-phase supplies and at todays' power prices you'd definitely think twice about starting them up.<p>Old PDPs also have their fanbase, and there is a ton of knowledge floating around about all these systems, sometimes more in the hobbyist sphere than there is left at the companies that built them (assuming they still exist). Of course you could emulate it all but the real hardware has its own kind of charm.<p>I see this one is here in NL, maybe I'll ask the owner one day if I can come by to have a look at the beast, it is definitely an interesting era to document in living hardware.
SIMH has a System/3 emulator:<p><a href="https://github.com/open-simh/simh">https://github.com/open-simh/simh</a><p>And some software to run on it:<p><a href="http://simh.trailing-edge.com/software.html" rel="nofollow">http://simh.trailing-edge.com/software.html</a>
Very cool! It warms my heart that a few of you will keep some of these vintage machines alive. I’m guessing there’s FORTRAN on there somewhere. Curious what you paid for it?
In the video link in the posting and dig around, you found quite a good promotion video of Ibm system/3. It explained quite clearly all the components. <a href="https://m.youtube.com/watch?v=TLI50ZbXeuQ">https://m.youtube.com/watch?v=TLI50ZbXeuQ</a>