Petri Pellinen wrote, on 5/Oct/10 19:09 | Oct5:

Petri/
Thanks, I actually had some 720k disks from way back so didn't have to
use the tape trick.

I salvaged yet another floppy drive from one of the old carcasses at
the office and this one actually works! It seems that the cumana
interface is very finicky about the kind of drive it talks to (which
is totally understandable for a board from the 80's).

So it seems that pin 16 indeed is "motor on" on the cumana interface
and the problem was not the pinout.

I don't know what the moral of the story is but I'm a happy
floppy-drive using qler :)

Thanks to everyone for tips and suggestions!
Excellent news. Even GoldCards and SuperGoldCards are finicky. Tony Tebby introduced lots of trick, and even a command called flp_jiggle, which does just that. If it has trouble it jiggles the head back and forth. His interface is mighty clever and is able to work out what type of media is there.

... and sorry for suggesting you were Italian - I only saw Petri!


Tony

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