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    HyperDrive troubleshooting

    This is exactly where I’m at with my Hyperdrive 20 512k :( Only because my MiniScribe 8425 was dead I assumed the controller would be OK and bought an MFM emulator. So here I am with the same “drive needs a dealer service” error when trying to format. Looking at the MFM emulator logs the...
  2. O

    GCC HyperDrive HELP

    If I ever see one, I'll let you know!
  3. O

    Mac 512k HyperDrive

    Just noticed I've replied to you on the other thread :)
  4. O

    GCC HyperDrive HELP

    Ah, I’d have loved to take you up on that because I’m replacing my drive with an MFM emulator but I’m afraid my MiniScribe 20Mb 8425 MFM drive had suffered with an extreme case of stiction and the heads did not survive being freed. The heads have since been removed so the drive spins up freely...
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    Mac 512k HyperDrive

    Yeah, there's no way I'm spending that! 😂 Not sure exactly what's wrong with it yet. Sometimes it only detects 305 cylinders, sometimes 611. It tries to format them but only ever using head 0 and head 2 and never manages to create a drawer. I’ve been in touch with David Gesswein (who invented...
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    GCC HyperDrive HELP

    Ah, OK, thanks. Good luck with your Hyperdrive journey. This is as far as I've got :)
  7. O

    Mac 512k HyperDrive

    I know this post is old but you don’t by any chance still have the old broken Hyperdrive controller board do you? I fear mine is faulty too and am hoping to get hold of another (even another broken one for parts) to try to get mine working!
  8. O

    GCC HyperDrive HELP

    You don’t by any chance have the Hyperdrive controller board still do you? I think mine is faulty :(
  9. O

    Does anyone have a copy of hypercard compatible with a Macintosh SE using a floppy emu

    I have these?
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