[cctalk] Re: MicroVAX 3100 ( was: Re: Re: VAX and OpenVMS)

Aha! It has an H7821-00 180W PSU which makes it a Model 10. So now I know for sure. - Peter On Sun, Dec 7, 2025 at 12:36 PM Peter Ekstrom <epekstrom(a)gmail.com> wrote: > Alright, so the 3100 arrived yesterday afternoon and looks to be in good > condition visually. The voltages from the PSU look ok as well. So I plugged > things back in and powered it on. > I don't have a console for it yet, but it seems to go through some > self-test, the tape drive does > some stuff as well as the hard drive. It came with the slightly larger > RZ25 rather than the RZ23. > > I am getting some 6-conductor cable soon and will make a console cable > for it. I'm very curious > to see what it does on the console. > > I have a SCSI CDROM coming in a few days. I also have an old SUN external > enclosure that I'll put to use for it as an external CDROM. > > Interestingly, it doesn't have a model number on the sticker, but based on > what I have seen, and > the pattern of the connectors in the back, I am pretty sure it is a model > 10. > > - Peter > > On Mon, Dec 1, 2025 at 10:30 AM emanuel stiebler <emu(a)e-bbes.com> wrote: > >> On 2025-11-30 14:53, Peter Ekstrom via cctalk wrote: >> > Very interesting thread. I was kinda thinking too that someone running >> VMS >> > on a machine for hobby use would be too small of a potato to go after. >> > Incidentally, what would y'all value a MicroVAX 3100 at? I am looking at >> > one on eBay for $550 but am considering making a lower offer. >> >> Which 3100? >> There are some very low performance 3100 at the lower end, and the >> best(?) 3100/105 or 3100/95 still fetch some serious money. >> >> My recommendation is usually the pizza box 4000/vlc ... >> Specially, if you don't know what you need it for :) >> >>