[rescue] sparc 2 and 10 things

[Dave McGuire]

On 12/15/2016 11:06 AM, Sandwich Maker wrote:
> " Back to the SS 10 CPU question.  Given that multi processors may not do 
> " much more than a single would running 4.1.4, there is still the issue of 
> " pep. We replaced sun processors with Ross on the SS2's in 1991 IIRC. I 
> " may be completely confused here but it seemed like one conversion 
> " doubled performance.
> 
> that would be the weitek powerup, a more complete hardware
> implememntation of the sparcv7 arch than the ss2's cpu, which weitek
> also made for sun.  it was billed as 'equal to a ss10', but probably
> only the the initial 10/20 or maybe 10/30.

  The PowerUP was the closest thing to "something for nothing" that I've
ever seen in the hardware world.  It really did just about double the
performance of a SPARCstation.  Sadly it's one of the few things from
that era that I don't have in my collection here.

> my first sun box was a ss2/weitek with memory board, 2 4G hds, and
> 4.1.4, and i felt i had the world.

  Great stuff.

         -Dave

-- 
Dave McGuire, AK4HZ
New Kensington, PA