> I remember being told that it was possible to damage an Apple ][ drive by trying to > read or write to a sector outside the actual range. Could have been BS, never tried > to intentional damage any of the ones we had in school back then...83-ish
Sounds like a game of telephone distortion of the startup process. Wozniak omitted the "at track 0" sensor to save a few pennies, so the boot code would back the head up more times than there were tracks on a disk to guarantee it was at track 0. That would slam it into the backstop which produced the signature rat-a-tat sound but was harmless.
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