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RE: PC suitable for HA controller?


  • To: <ukha_d@xxxxxxx>
  • Subject: RE: PC suitable for HA controller?
  • From: "Phillip Harris" <phillip.harris1@xxxxxxx>
  • Date: Thu, 8 Feb 2001 21:30:58 -0000
  • Delivered-to: rich@xxxxxxx
  • Delivered-to: mailing list ukha_d@xxxxxxx
  • Mailing-list: list ukha_d@xxxxxxx; contact ukha_d-owner@xxxxxxx
  • Reply-to: ukha_d@xxxxxxx

I used to program OS/9 when I worked up in Chiswick for a process control
systems company...

Phil

> -----Original Message-----
> From: Calum Morrell [mailto:calum@xxxxxxx]
> Sent: 08 February 2001 20:08
> To: ukha_d@xxxxxxx
> Subject: Re: [ukha_d] PC suitable for HA controller?
>
>
> Paul Gordon wrote:
>
> > You're mixing your processor families... the Xeon is the latest
> P111 core
> > with all the MMX & SIMD extensions etc. - only been around
for a year or
> > two.
> >
> > The Pentium PRO is based on the classic pentium core (IE the
586), it
> > pre-dates the Pentium 11 (although both existed alongside each
> other for a
> > while. The P-Pro was only ever clocked up to 200Mhz (officially
> that is, but
> > it isnt a good chip for overclocking, although it wasn't
> unheard of for the
> > 180Mhz version to be overclocked to 200Mhz). Performance
> improvements were
> > latterly brought about purely by increasing the on-die cache
size, first
> > from 256K to 512K, then finally to 1MB. The P-Pro does NOT
include MMX
> > extenstions, or any of the subsequent x86 family extensions. It
most
> > definately was the "server" chip offering, being the
only one
> (at the time)
> > that supported multi-processor configurations.
> >
> > I agree with the price estimate range though...
> >
> > Incidentally I have a couple of P-Pro 200Mhz/256K chips in my
> junk cupboard
> > if anybody wants them....
> >
> > Paul G.
>
> Thanks for setting me straight on that one, although I can only
> ever recollect
> using it in workstations - probably because we used mainly VAX
> and OS/9 at that
> point. Anyone else ever seen an OS/9 box?
>
>
> Calum
>
>
>
>



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