A restored PDP-11/83 serving this page on 211BSD Unix

(pdp1173.com)

46 points | by davepl 2 hours ago

10 comments

  • dwedge 31 minutes ago
    A PDP-11 serving adverts for an AI-written site in 2026 was not on my bingo card. Imagine being brought back from the dead for that.
  • kjs3 1 hour ago
    Please do not treat it as a challenge box; I can restore from tape, but that ruins it for everyone else.

    Unfortunately, for a disturbing percentage of the Internet, ruining things for everyone else is the goal. I'd turn off telnet.

  • mikerg87 43 minutes ago
    I posted this to twostopbits. Community over there is small but devoted to such willful acts of restoration

    https://twostopbits.com/item?id=9970

  • jmbwell 58 minutes ago
    I love it. My PDP-11 has some fault that keeps it blowing fuses. Emulators don’t feel the same. Real hardware doing the work, well done
  • frumplestlatz 1 hour ago
    Thanks for keeping the spirit of the old internet alive :)

    I hope you won’t have to restore it from tape!

  • budman1 1 hour ago
    as of 12 noon CST, it pings but does not telnet.
  • mlmonkey 1 hour ago
    Why is the domain `pdp1173.com` when the machine is a PDP 11/83 ?
    • ktm5j 55 minutes ago
      There's a couple eyebrow raising things about this post.. like the fact that there's nothing but vague details in text and one photo with an AI prompt like alt-text. I think they're just trying to get clicks for that banner ad.
      • roryirvine 32 minutes ago
        Sadly, the site does seem AI-flavoured to a rather off-putting extent.

        And, as you say, the details are so vague - it's exactly what you might expect if an LLM wrote them based on reading a spec sheet rather than any practical experience.

        In particular, connecting that DEQNA to a modern network must have been a huge challenge all in itself and I'd have expected there to be a series of blog posts about just that. Maybe it's legit (and I'd love more detail if it is), but right now the presentation screams "thinly disguised ad".

        • spijdar 13 minutes ago
          I think he has actually posted videos of the restoration before (they've popped up in my youtube feed in the past), but I've never watched them, so dunno. The LLM site design and advertisement front-and-center are certainly a... choice....

          But, more importantly, why do you reckon DEQNA would be hard to connect to a modern network? NetBSD still supports it when running on a q-bus VAX: https://github.com/NetBSD/src/blob/trunk/sys/dev/qbus/if_qe....

          It has some pretty broken behavior regarding multicast/broadcast traffic IIRC, but nothing putting it behind a vlan or separate LAN altogether wouldn't solve. I've got a little lsi-11 system under my bed I'm hoping to, one day, get the Fuzzball [0] distribution running on. The 22-bit address extension wirewrap the previous owner did needs to be redone entirely, so it's been a "later" project for years now, but I am hoping my little DEQNA will be able to ping the Internet still.

          [0] https://en.wikipedia.org/wiki/Fuzzball_router

      • cube00 44 minutes ago
        While probably it's legit because I've seen Dave discussing the process on the YT channel (which I no longer watch) he unfortunately does have form https://news.ycombinator.com/item?id=39813625)

        Having TMOG on a .org when it sells commercial licences doesn't sit well with me given the history.

        • roryirvine 25 minutes ago
          Oh, yeah - this popped up on HN yesterday too and also met with scepticism: https://news.ycombinator.com/item?id=49772362

          Oh well, so this PDP restoration probably isn't real. Disappointing.

        • ktm5j 33 minutes ago
          I'm a little confused by your comment.. especially considering the fact that you edited it and changed the link from and old comment thread from 2024 to whatever this dead post is from 2012. What does having form mean? Who is Dave?
          • cube00 30 minutes ago
            Sorry, lost the last digit, fixed now. This restored PDP-11/83 project is Dave Plummer's
  • corbinvachal 2 hours ago
    [dead]