At 12:11 PM 6/19/2002 -0400, Dave McGuire wrote:
>On June 19, Andy Ball wrote:
> >   DM> If memory serves (and I'm pretty sure it does in this case) the 
> RD32 was a
> >     > Seagate ST251, not an ST251-1.  Not that there's THAT much difference
> >     > (40ms vs. 28ms)..
> >
> > I don't know which the RD32 was, but I've a recollection that the 'physical
> > geometry' was different between the ST251 and ST251-1 as well as the speed.
> > Sadly I don't have the relevent notes any more.
>
>   I'm Pretty Darn Sure the geometries were the same between the ST251
>and the ST251-1.  In fact I've used them interchangeably in MicroVAX
>systems.  The idea of replacing an ST251 with an ST251-1 to increase
>performance was an old trick that circulated around my local gang of
>DECheads about 12 years ago.

         Yes, the geometries are exactly the same.

GZ