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  1. Total success. I configured PC Paintbrush 3 for a...

    Total success. I configured PC Paintbrush 3 for a Laserjet II on LPT1, ran:

    prn2file c:\spool.prn"

    loaded the program and printed a .PCX, exited, and ran:

    nc -bin -target (ip of an HP...
  2. In one of those threads you quoted you mentioned...

    In one of those threads you quoted you mentioned having an old TSR that could capture LPT output and pipe it to a file, by any chance do you have the name of it? I just tried "lpt2file", a thing I...
  3. You can buy the ImageWriter ribbons brand new...

    You can buy the ImageWriter ribbons brand new from multiple vendors on Amazon. The list of compatible printers is mind-numbingly long, apparently either C. Itoh used some dirt common preexisting...
  4. That is actually the killer app that motivated me...

    That is actually the killer app that motivated me to wire up the Imagewriter II. Amuses the kids to no end and does a good job terrifying the dog.

    The Imagewriter II actually doesn't make a bad...
  5. I assume the OP doesn't actually have a network...

    I assume the OP doesn't actually have a network on the vintage computer in question.

    In principle at least if you can capture print jobs to a file then can print them to a printer that supports...
  6. By all means, don't get me wrong: "Because it's...

    By all means, don't get me wrong: "Because it's there" is a fine excuse for any level of excess when it comes to stuffing expansions in our pet computers. Part of me wants to build an EMS card for my...
  7. There's an outfit: ...

    There's an outfit:

    https://www.retroprinter.com/

    That sells a parallel port shield that sticks onto a Raspberry Pi-style computer and can capture LPT output and convert it in various ways. (It...
  8. I guess I haven't been keeping very close track,...

    I guess I haven't been keeping very close track, but I honestly haven't found much "new" software that wasn't hopeless without an accelerator. Frankly even vintage GS/OS software generally isn't...
  9. Everyone seems to want the 8MB cards, but I...

    Everyone seems to want the 8MB cards, but I really don't see any point to getting more than 4MB unless you're going all-out with the accelerator, etc. I had the stock Apple 1MB card in my IIgs and...
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    Possibly useful: A paper about debouncing that...

    Possibly useful: A paper about debouncing that happens to include some useful algorithms for software debouncing. That 300hz-ish timer interrupt will probably be fine for latching your keyboard scan...
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    Aaah, that's the important point I missed about...

    Aaah, that's the important point I missed about that. For the keybounce issue I was going to suggest your best bet would probably be to simply reduce the scanning rate, a *lot*. The last schematic...
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    So "key" just pulses, it doesn't stick low? Maybe...

    So "key" just pulses, it doesn't stick low? Maybe I'm mistaken about this, but I don't think that's going to do what you want with the '573. I believe the way those things work is they only "latch"...
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    Maybe I need more coffee today, but I'm a little...

    Maybe I need more coffee today, but I'm a little baffled about how the keyboard decoding logic is going to work in practice. I mean, I think I get the intention, but could you rundown briefly about...
  14. Obviously it's not a particularly kosher thing to...

    Obviously it's not a particularly kosher thing to do, but... I could be wrong, but my vague understanding of the standard POSIX filesystem calls would be if you're not caching the image in RAM...
  15. The stock Tandy 3.5" drives in those machines...

    The stock Tandy 3.5" drives in those machines receive power over lines that are normally disconnected or connected to ground in standard floppy drives; the first five or six normally-ground pins are...
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    Ah, So yeah, it's probably just a standard...

    Ah, So yeah, it's probably just a standard header, so that's potentially great. Getting an IDE port *and* I/O ports on a single board was looking tight, but if I could do a sandwich that problem...
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    The Imagewriter II requires a cable wired in a...

    The Imagewriter II requires a cable wired in a "null modem" configuration (IE, send/receive and handshaking signals flipped); what you have is probably a cable intended for a modem. Unfortunately I...
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    PM sent. Are the boards really only 1/4"...

    PM sent.

    Are the boards really only 1/4" apart? That's tight. Surface mount? (The standard .1" pitch headers like the ones Plus cards use sit the boards about 1/2" apart, which is enough for...
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    Considering the card seems to have four banks of...

    Considering the card seems to have four banks of 18 chips I think it's highly unlikely Statson is correct about the card accommodating 4464s. I've seen cases where a pair of 4 bit wide chips like...
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    It is interesting how that’s put together; it...

    It is interesting how that’s put together; it looks like it uses the same female connector that mates to the expansion bus externally as the “slot” for that board. I wish they’d used the female end...
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    If you could get a picture with a ruler closer to...

    If you could get a picture with a ruler closer to the actual contacts so it’s easier to determine exactly what the pins-per-inch pitch is that’s really probably the most important thing. (Maybe both...
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    I’ll keep my fingers crossed that there at least...

    I’ll keep my fingers crossed that there at least might be something off the shelf that could be hacked to mate with the slice connector well enough to work for developing a board.

    Having something...
  23. My answer is I don’t *think* so. If you count...

    My answer is I don’t *think* so. If you count video as memory The Model III had arbitration circuitry to keep the CPU from accessing video RAM during the active parts of the refresh cycle that can...
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    It would be a fun project to take on; I can't...

    It would be a fun project to take on; I can't make any promises how long it'd take to get it done, of course. It *looks* pretty straightforward; was looking at the photos of the OP's board and I...
  25. That's a shame. I was hoping maybe I could...

    That's a shame.

    I was hoping maybe I could make it, but I wasn't going to "RSVP" because the odds weren't fabulous.
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