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.
-- Pete Pete Turnbull
