D.G. Nova update (boo f'ing hoo)

[Tony Duell]

> >Didn't some winchesters use the spindle motor as a generator to provide 
> >the emergency retraction current?
> 
>    The drives used in PC do that and have for many years but I never saw a
> mainframe disk drive that did.

Yes, I was thinking of things like full-height 5.25" units. Larger 
drives often had AC spindle motors which would clearly be unsuitable for 
this trick (well, at least not simply...)

-tony