8" drive on PC troubleshooting

[Vintage Computer Festival]

On Mon, 28 Feb 2005, Tom Jennings wrote:

> On Mon, 28 Feb 2005, Vintage Computer Festival wrote:
>
> > If I then try to DIR the disk the head backs up a track or so but can't
> > seem to recalibrate to track 0.  The head vibrates as if the drive is
> > sending the signals to the stepper to retract the head but it only manages
> > to move back a track or so each time I issue DIR.  If I do it enough it
> > eventually gets back to the stop position but it still gets sector errors.
>
> Wrong step rate! Poke a new on eint othe chip, or does it use the old
> table of junk INT 13h used to supoprt?

Um, I'm not sure.  I'm not sure I understand the question either.  This is
a standard ISA IDE+floppy controller.  Should I try an older one?  Or hook
this up to an oldr PC from the 1980s?

-- 

Sellam Ismail                                        Vintage Computer Festival
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