speaking of 3.5" floppies, is 720K R.I.P.?

[Chris Elmquist]

On Wednesday (02/04/2009 at 01:01PM -0800), Chuck Guzis wrote:
> On 2 Feb 2009 at 7:52, Chris Elmquist wrote:
> 
>  
> > I've also found a warning in the CatWeasle documentation that this drive
> > is not compatible with it and a claim that they are high density only.
> > Which, I think I have proven again.
> 
> Just curious, Chris--not that it'll do any good--but what's the chip 
> used on these drives?

main brain is:  SEMCO  SF12021AG

motor control:  LB11911

If anyone has a datasheet for the main brain, that would be wonderful.
I struck out searching for such a thing.

Chris