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Type: Posts; User: kgober

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  1. Replies
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    4,069

    We're not trying to win you over, we're trying to...

    We're not trying to win you over, we're trying to get you to stop making false claims just because you don't like Unix.

    It's ok not to like Unix or Linux, but please stop claiming that DOS can do...
  2. Replies
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    1,260

    I took some time to test a few programs to see...

    I took some time to test a few programs to see what worked on a VT52 and what did not. Most things worked adequately (although mg and tetris were a little odd looking without reverse video) but two...
  3. Connect the terminal to a serial port. I have a...

    Connect the terminal to a serial port. I have a vague recollection that when you power on the system (or maybe it's when you boot from install media) you get a prompt asking which device you want to...
  4. Sticky: I had a CGA card with two RCA connectors years...

    I had a CGA card with two RCA connectors years ago, and I think one of them was monochrome and the other was color. Presumably the monochrome one was better for 80-column text and the other one...
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    Can confirm, I think it took only a few hours to...

    Can confirm, I think it took only a few hours to write the receive handling (including escape code processing) in my own VT52 emulator. By far the largest amount of coding time was spent on...
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    332

    Oh, maybe the problem is finding sprocket-feed...

    Oh, maybe the problem is finding sprocket-feed paper that's 8.5" wide *total*. It suddenly occurs to me that all my fanfold paper is 9.5" wide (8.5", plus 0.5" on each side for the sprocket holes)...
  7. Sticky: I see OPTi 82C571 and 82C572 chips, and searching...

    I see OPTi 82C571 and 82C572 chips, and searching for those yields:
    https://ia801301.us.archive.org/24/items/bitsavers_optibrochuhure1993_1065722/ISA_VL_Chipset_Brochure_1993.pdf

    The brochure...
  8. Replies
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    I have some fanfold paper, which I'm confident...

    I have some fanfold paper, which I'm confident won't be of any interest purely due to the expense of shipping it across the pond. But it does make me wonder whether you've considered using fan-fold...
  9. Replies
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    715

    I really appreciate that I can have 200+ tabs...

    I really appreciate that I can have 200+ tabs open in Chrome for over a week and performance doesn't suffer much. If the new Edge can't do this I think I'll need to keep using Chrome.
  10. I assume because it's posted in "Marketplace /...

    I assume because it's posted in "Marketplace / Vintage Computer Auctions" that it's for sale. The link takes you to the auction.
  11. Replies
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    547

    I would guess BD CSM is a self-test diagnostic...

    I would guess BD CSM is a self-test diagnostic code indicating there's some kind of problem with the system. Is that code mentioned in any of the system manuals?
  12. Replies
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    I'm surprised to hear it as well. I saw an...

    I'm surprised to hear it as well. I saw an Adaptec disk controller in the list as well that I thought would get some interest. And you don't see Localtalk cards very often; I'm surprised you had no...
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    It looks like that terminal might also be known...

    It looks like that terminal might also be known as the Zentec 9003. See if this document helps:...
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    493

    This is basically what you need to do, and the...

    This is basically what you need to do, and the command to save the BAM (and any other dirty buffers) is commonly called "closing a file".

    If you are feeling truly inspired, you might consider...
  15. Finalization was only 'final' using CD-R media. ...

    Finalization was only 'final' using CD-R media. For a CD-RW you could always 'unfinalize' a disc by erasing it completely. Recall that multi-session discs were a thing, and finalization was how you...
  16. On the PC, the tools I generally used for this...

    On the PC, the tools I generally used for this kind of thing in the DOS days were Turbo Debugger to identify what to patch (and to test patches), and Norton Disk Editor to actually apply (i.e. save)...
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    Are there 86 pins on each package, or 43? It...

    Are there 86 pins on each package, or 43? It kind of looks like there's a second row of contacts underneath the visible contacts on each side. Seems unlikely; I have no idea why anyone would make a...
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    here's an example from back then of a CPU...

    here's an example from back then of a CPU interposer design with a battery holder:
    https://books.google.com/books?id=iS8EAAAAMBAJ&ppis=_e&lpg=PA38&ots=7_Ba8fNJqA&pg=PA38#v=onepage

    and here's an...
  19. It's hard to say what's best since the 1970's is...

    It's hard to say what's best since the 1970's is the period when keyboards were switching from bit-paired layouts to typewriter-paired layouts (these are the terms Wikipedia has). By "bit-paired" I...
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    The easiest way may be to run CP/M-86 on a PC. ...

    The easiest way may be to run CP/M-86 on a PC. CP/M on a Commodore 128 might also be fairly accessible. I suspect these are probably not really the direction you were wanting to go, but I'm posting...
  21. Thread: Ibm xt 5160

    by kgober
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    915

    This is why I'm pretty sure that the second card...

    This is why I'm pretty sure that the second card is actually a CGA card, which is in turn why I recommend not connecting a 5151 monitor to it.
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    I'd think that any system that can boot from a...

    I'd think that any system that can boot from a USB drive ought to be able to boot from a USB CF adapter. Though I've never actually tried this myself, maybe I should get such an adapter and find out.
  23. Thread: Ibm xt 5160

    by kgober
    Replies
    20
    Views
    915

    the IBM monochrome display adapter (MDA) did not...

    the IBM monochrome display adapter (MDA) did not support graphics, but there was a popular monochrome graphics card from Hercules (HGC) that was widely cloned. Normally a Hercules graphics card...
  24. Probably your best bet. No pictures and no...

    Probably your best bet. No pictures and no prices is going to severely limit people's interest.
  25. Replies
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    The only refurbished units I normally consider...

    The only refurbished units I normally consider are from Dell Outlet (refurbished by Dell, sold by Dell), I haven't gotten one yet that had any obvious evidence of being refurbished other than the...
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