[SunRescue] Upgrading the CPU/FPU on a 3/60?

[Dave McGuire]

  This was 1990, man.  The fastest PeeCee was a 386DX/25.

  The 3/60 raytraced great, using techniques that seem long
forgotten...careful compilation, hand optimization, you know...those
old-fashioned things that nobody cares about now. ;)

        -Dave McGuire

On March 24, Kurt Huhn wrote:
> No kidding?  Ray Tracing on a 3/60?  That's painfully slow on my dual
> PPro200, how did you do it?
> 
> Kurt
> 
> 
> -----Original Message-----
> From: Dave McGuire <mcguire at neurotica.com>
> To: rescue at sunhelp.org <rescue at sunhelp.org>
> Date: Friday, March 24, 2000 9:36 AM
> Subject: Re: [SunRescue] Upgrading the CPU/FPU on a 3/60?
> 
> 
> >On March 24, Paul Khoury wrote:
> >> It means I can get better FPU performance if I stick in a 68882 FPU
> replacing the 68881.
> >> It also mentions it has to be pin and command compatible.  Would one from
> a Mac fit the bill?
> >> I somewhat doubt it, but thought I'd ask - came out of a IIfx.
> >
> >  A 68882 is a 68882.  There's no such thing as a "Mac 68882".  Go for
> >it.
> >
> >  I used a 3/60 as my primary workstation many years ago.  I did a lot
> >of raytracing and stuff like that on it.  I replaced the 68881 with a
> >68882 and was very pleased with the increase in performance.  It's
> >well worth the time if you're doing any floating point work.
> >
> >          -Dave McGuire
> >
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> 
> 
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