but dbit.com offers an adapter called an FDADAP that lets you connect a 50 pin 8" disk to the PC controller. I have a couple and they work great.

On Thu, 1 Feb 2018, Chuck Guzis via cctalk wrote:
Exactly what does a FDADP do for *reading*?  Nothing that I can figure,
other than re-arrange the 50 line SA-800 interface to a 34-line SA-400 type.

for reading, it doesn't do anything other than cabling. It means using a flat 34 cable and a flat 50 cable, without the trivial effort of making your own 34 to 50 cable.

For those drives that require RWC/TG40 signals, I agree that *writing*
may benefit from it.

THAT is the part that my homemade cables don't do.

But, it was extremely rare that I needed to WRITE 8".
When I did have to, I tried to write to fresh empty disks, so that I could stay mostly on lower numbered tracks.


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