Re: Anybody aware of the description of a 19pin connector of an Apple 5.25 Disk Drive ?

[Michael J. Mahon <mjmahon@aol.com>]

David Schmidt <schmidtd@my-deja.com> wrote:
> On 5/6/2013 2:17 AM, Peter Dassow wrote:
>> Ok, I got it, regardless of the fact that I really owned non-Apple
>> Floppy Disk Drives around 1985. May be these non-Apple Drives were still
>> compatible to these original ones, I can't check this now.
>> But this is almost unbelievable that nobody yet created a logic board
>> with an FPGA/whatever which converts the signals/creates the missing
>> signals. May be too much old drives are still available ...
> 
> Indeed, old drives are still plentiful and cheap, for the most part.
> Though not everywhere in the world, of course.  The function necessary
> would be to duplicate the analog board that currently lives inside the Disk II drive.
> 
> Several FGPA/whatever boards have been produced over the years to
> interface to drives in various ways, not all having to do with the Apple II:
> 
> Kryoflux
> FC-5025
> HDDD
> 
> Experiments exist going the other direction, such as Mike Willegal's USB-to-Disk II drive:
> http://www.willegal.net/appleii/appleii-disk-int.htm
> 
> But the need/incentive to go from Disk II interface to some other kind of
> floppy drive simply hasn't arisen.

And it must be pointed out that none of these "flux pattern capture"
devices actually emulates a Disk ][. They can only be used to enable a
non-Apple II machine to capture the data recorded on an Apple (or other)
diskette. 

-michael - NadaNet 3.1 and AppleCrate II: http://home.comcast.net/~mjmahon