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  1. Thread: Wtb: Sgi o2

    by legalize
    Replies
    12
    Views
    327

    Yes, all the SGI machines suffer from this...

    Yes, all the SGI machines suffer from this problem. At least with an O2, it's not so heavy that typical precautions are likely to have the same smashed end result. The Indigo^2 is so heavy that...
  2. Thread: Wtb: Sgi o2

    by legalize
    Replies
    12
    Views
    327

    If nothing pans out, I might be able to help, but...

    If nothing pans out, I might be able to help, but unfortunately you're 2,400 miles from me ;)
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    That's a really good observation. Are there any...

    That's a really good observation. Are there any open source VNC implementations out there that could be hacked upon?
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    491

    Wow, that was incredibly useful. I'm both a SIMH...

    Wow, that was incredibly useful. I'm both a SIMH n00b and a VMS n00b, so seeing a log of your commands to both simh and the infoserver was very helpful! I'll need to learn some of this stuff in...
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    X11 itself doesn't really care about your screen...

    X11 itself doesn't really care about your screen size, but most modern window managers/UI paradigms assume a big-ish screen, I think.

    Yeah, LBX was the one I was thinking about.

    For my "X...
  6. Replies
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    Yeah, raw X11 isn't good over a slow or...

    Yeah, raw X11 isn't good over a slow or unreliable link.

    However, I thought they had introduced some extensions and socket front/back end processing programs that improved X11 over a serial line...
  7. Replies
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    560

    Done. http://manx-docs.org/details.php/1,5623

    Done.

    http://manx-docs.org/details.php/1,5623
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    560

    OK, good to know! With DEC's nomenclature for...

    OK, good to know!

    With DEC's nomenclature for model/part numbers, I am never sure...
  9. Replies
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    560

    Wikipedia's page for Q-bus shows a picture of a...

    Wikipedia's page for Q-bus shows a picture of a BA213 cabinet. Is the one on Wikipedia mislabelled?
  10. Replies
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    The Silent 700 series are just serial terminals. ...

    The Silent 700 series are just serial terminals. I don't think I'd consider a Silent 700 to be a "laptop", really. They're generally considered portable, but since they have a printer and not a...
  11. Replies
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    https://terminals-wiki.org/wiki/index.php/Random_C...

    https://terminals-wiki.org/wiki/index.php/Random_Colleague
    https://terminals-wiki.org/wiki/index.php/Informer_213_AE



    Since they assume TCP/IP connections and generally use ethernet...
  12. Replies
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    1,923

    Well, there are several important differences...

    Well, there are several important differences between what I've been collecting and the IBM PC.

    First, the IBM PC was designed to be affordable by ordinary people and was manufactured in huge...
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    These progress reports are inspiring! Please,...

    These progress reports are inspiring! Please, keep them coming!
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    1,029

    Doubtful.

    Doubtful.
  15. Replies
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    1,029

    Also, here is the HP Journal with the article on...

    Also, here is the HP Journal with the article on the keyboard on page 20 of this PDF:

    https://www.hpl.hp.com/hpjournal/pdfs/IssuePDFs/1975-06.pdf
  16. Replies
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    1,029

    Yeah, that one looks to be in good shape and (so...

    Yeah, that one looks to be in good shape and (so far) the price is very reasonable.
  17. Replies
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    I started by accumulating things in my basement. ...

    I started by accumulating things in my basement. Then I bought some fridge sized SGI machines and was storing those in a warehouse space rented by my friend. Then my friend rented a bigger...
  18. Replies
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    IIRC, the clock is recovered from the signal...

    IIRC, the clock is recovered from the signal generated by the main unit. Section 4.4.6.3 Terminal Data Encoding in the VT100 technical manual says:


    Attached is the timing diagram.

    On the CPU...
  19. Any chance you could archive the media?

    Any chance you could archive the media?
  20. Where did you source the DEC style handles for...

    Where did you source the DEC style handles for the board?

    How did you rivet the handles to the board?
  21. Replies
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    Agreed. Yes, the VT100USB keyboard hack...

    Agreed.



    Yes, the VT100<->USB keyboard hack lifted the discriminating circuitry from the VT100 schematic in order to handle the communication with the keyboard.

    See the External Links...
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    There's a VT100USB interface design out there...

    There's a VT100<->USB interface design out there for the keyboard. You could certainly do it via a microcontroller hack there.

    There's not much leftover room in the original VT100 ROM, but with...
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    The technical manual implies that a single pulse...

    The technical manual implies that a single pulse is what makes the keyclick "tick" noise and that a stream of pulses results in them averaging out (through the RC network) to a tone. I'm thinking...
  24. My motivation for asking is that I've been...

    My motivation for asking is that I've been wondering about making a modern AVO board for the VT100. The AVO is basically just a few components: RAM for the extra attribute bits, RAM for the extra...
  25. Replies
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    This keyboard uses the hall effect as the sensing...

    This keyboard uses the hall effect as the sensing mechanism on the keys. This is a mechanism that is unlikely to fail due to age and is very reliable in the number of keystrokes before failure. So...
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