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  1. Replies
    3
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    270

    They all look to be soft-sectored to me. I'm not...

    They all look to be soft-sectored to me. I'm not sure that Elephant ever produced HS disks.
  2. FWIW, this is the start of the database file. ...

    FWIW, this is the start of the database file.


    00000000 4f 64 65 73 74 61 20 48 65 6c 69 58 20 48 65 61 |Odesta HeliX Hea|
    00000010 70 2e 00 00 00 3d a0 75 04 14 00 00 00 00 00 00 ...
  3. If I go to the qsatoolworks web site download...

    If I go to the qsatoolworks web site download section, they do have some old versions. I've got an old G3 running OS 9.2; I'll see if it'll run the thing.

    TIA for any other advice.
  4. Old Mac (ca 1988) Odesta Helix database--how to convert?

    Is there any straightforward way to convert an old Mac Odesta Helix database to some modern form?
  5. Yeah, practice in the good old days--either...

    Yeah, practice in the good old days--either nickel, zinc or carbon on the inside of enclosures. Paints made specifically for EMF shielding are quite common. But I suspect that a rattle-can of...
  6. Or zinc-laden paint, like some of the...

    Or zinc-laden paint, like some of the plastic/foam/fiberglass enclosures.

    Sheet steel is useful to corral magnetic fields, but otherwise there are other solutions for EMI.
  7. Denver is really only about half across the...

    Denver is really only about half across the country. :)
  8. Replies
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    631

    Things seem to be working for the past few days,...

    Things seem to be working for the past few days, so maybe just a system hiccup.
  9. Tiny is 64K code+data Small is 64K code + 64K...

    Tiny is 64K code+data
    Small is 64K code + 64K data
    See here for terminology

    Using far and huge pointers can get to be a bit hairy. See this discussion for examples

    Abstracting pointer types,...
  10. Some SMPSUs use non-polar electrolytics in their...

    Some SMPSUs use non-polar electrolytics in their high-voltage input section. I wonder how often this is overlooked.
  11. Replies
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    Yes--it should work fine.

    Yes--it should work fine.
  12. I'm not surprised. Remember that NT4 had to...

    I'm not surprised. Remember that NT4 had to support both i386 and Alpha and PPC (at least for most of the life). After Win2K, the code started to get a bit crufty.

    Still, I've got the CD, if...
  13. Replies
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    375

    I've got DP8473-based controllers on several of...

    I've got DP8473-based controllers on several of my systems here (mostly DTK Micro-mini boards) and I can't say that I've ever seen that behavior. There may be something else in play on your system.
  14. Stupid question--do you have the Gotek drive...

    Stupid question--do you have the Gotek drive select correctly configured?
  15. Replies
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    I've done plenty of data retrieval from...

    I've done plenty of data retrieval from DisplayWriter data disks, but never had the opportunity to see a program disk.
  16. Replies
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    392

    Use an external hosting site, such as imgur, and...

    Use an external hosting site, such as imgur, and link to it. But you know that... :)
  17. Replies
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    375

    I'll have to go back to the code, but my...

    I'll have to go back to the code, but my recollection is retry 3 times without seeking, then retry 3 times resetting and re-seeking.
  18. Replies
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    375

    22Disk also does a reset and retry on errors, but...

    22Disk also does a reset and retry on errors, but not more than 3 times.
  19. Replies
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    1,510

    Yes, if there's a lead coming off the pin, you...

    Yes, if there's a lead coming off the pin, you have to deal with the notion of induced noise. Use a smaller pullup.
  20. Replies
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    1,510

    So long as you just leave the pins without any...

    So long as you just leave the pins without any pcb leads connected to them (i.e., just bare unconnected pins), you're safe. The ATF16V8B is a CMOS device with input leakage in the tens of...
  21. Make sure that the drives are 48 tpi. There...

    Make sure that the drives are 48 tpi. There was a mod for 96 tpi drives as well.
  22. Thread: Osborne Help

    by Chuck(G)
    Replies
    1
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    63

    It's a jumper--straight across from one side to...

    It's a jumper--straight across from one side to the other.
  23. You might want to consider one of the inexpensive...

    You might want to consider one of the inexpensive oscillating saws for cutting blind holes. I use one a lot in woodwoorking and there are metal-cutting blades for those.

    At any rate, I don't...
  24. There were several different third-party Osborne...

    There were several different third-party Osborne ROM choices. There were also 96 tpi versions. Best thing is to find a disk that boots on your system and analyze the layout.
  25. There were more terminal manufacturers than most...

    There were more terminal manufacturers than most people are aware of. Ever use a Tab terminal? (The folks that make office supplies). I did. Nice stuff; I don't know who really made it. The...
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