On Thu, 1 Sep 2022, Pete Turnbull via cctalk wrote:
On 01/09/2022 14:31, Kenneth Gober via cctalk wrote:
On 5.25" diskettes punching a notch to enable use of the second side
worked due to 2 factors:
First, the index hole was commonly unused on 5.25" systems so it
didn't matter that the index hole was in the wrong place when the
diskette was flipped over.
It's my experience that the index hole is used, and does matter, on pretty
much all 5.25" systems except Apple ][s.
Commodore drives didn't use it either.
g.
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