On Feb 3, 1:44=A0pm, Alex Freed  wrote:
> After posting I remembered that the Apple 3.5" disks were
"special".
> AFAIK they use variable speed to using a PC drive to read/write Apple
> 3.5" disks is at least difficult.

Yes, of course. Well, let's not say impossible. ;-)

> 1. read/write standard 140K disks. Not very useful as Apple Disk ][
> drives are plentiful, at least in this part of the world.
>
> 2. read/write 1.2MB HD disks or connect a 3.5" drive for 1.44MB disks.
> Convenient for data exchange with a PC.
>
> 3. read/write 800K ProDOS volumes on HD media. Not compatible with Apple
> 3.5" media.
>
> 4. Read absolute pulse timing of a (protected) track like EDD board.

1 and 4 are enough for me to be interested.

That is, one card that can read and write 5.25 Apple disks and also
possibly capture to FDI or similar format. The other features are
welcome bonuses considering that outside the US old Apple drives and
media are not so common.

Cheers,
Nick.
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