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Thread: Realigning a 1541-II drive (Commodore 64)

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    Pear (Level 6) Sabz5150's Avatar
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    Default Realigning a 1541-II drive (Commodore 64)

    The inevitable happened, drive did a good ol series of WHACKACKACKACKACKACKA against the track zero stop and now its misaligned and won't read squat. I've seen a few howtos on realigning the classic 1541, but nothing on the 1541-II drives. Any suggestions or help on how to realign the heads?

    Thanks!
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    Cherry (Level 1)
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    The reason there are no docs for it is because it shouldn't be possible for it to go out of alignment. I thought that all 1541-II's had optic track 0 sensors and didn't bang the heads... Possible the sensor is malfunctioning if you got head bang.

    It's more likely something actually broke, unfortunately.
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    Pear (Level 6) Sabz5150's Avatar
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    Quote Originally Posted by Pete Rittwage View Post
    The reason there are no docs for it is because it shouldn't be possible for it to go out of alignment. I thought that all 1541-II's had optic track 0 sensors and didn't bang the heads... Possible the sensor is malfunctioning if you got head bang.

    It's more likely something actually broke, unfortunately.
    The 1541Cs and 1571s have optical track 0 sensors. According to documents I have found, "The support for the optical "track 0" sensor, which was introduced in the 1541C firmware, was removed in the 1541-II firmware".

    Also the 1541-II machineguns when attempting to reset to track 0. That's a dead giveaway.
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    Pac-Man (Level 10) FABombjoy's Avatar
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    Quick dumb question: Have you initialized the drive?

    I'm nibtooling a bunch of disks right now, and every once in a while nibread's head bump routine knocks my drive out until I send the initialize command.
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    Pear (Level 6) Sabz5150's Avatar
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    Quote Originally Posted by FABombjoy View Post
    Quick dumb question: Have you initialized the drive?

    I'm nibtooling a bunch of disks right now, and every once in a while nibread's head bump routine knocks my drive out until I send the initialize command.
    Aaaaah, let me try that. Will let you know. Thanks!
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    Pear (Level 6) Sabz5150's Avatar
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    Quote Originally Posted by FABombjoy View Post
    Quick dumb question: Have you initialized the drive?
    That did the trick! Thanks again!

    Time to bind that command to a function key a'la U36
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