Re: PC suitable for HA controller?

[Calum Morrell <calum@xxxxxxx>]

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