[rescue] 670MP funzies....

[Dave McGuire]

On August 28, BSD Bob the old greybeard BSD freak wrote:
> Hey, Dan, or anyone on the list.  I was playing around with the 670
> last night doing some gnustuff compiles and my usual round of system
> addins over a stock install, and I noticed that the pair of processors
> on an SM100 board under SunOS-4.1.3U1 seemed to do rather well at compiles,
> significantly faster than the SS4 kind of thing I am used to.

  If you like that, you'll mess your pants when you see that thing
running dual SM61s.

> How hot do these biggie processors get.  Can the 670 crate handle that
> load, air-wise, sufficiently well to reliably run the biggie cpus?
> The mbus cpu chart has a looming note that suggests they can get overly
> hot in certain boxes.  Can anyone clarify just how hot is too hot in
> the 670 chassis?  It looks like the big Ross things are out, and
> possibly even some of the lesser hypersparcs, if I am reading things
> right.  Anyone have any horror stories about overheating with these things?

  They will *definitely* handle that heat.  I've run FOUR 4/600
boards, each with two SM61s, in a '70-series chassis with no real
amount of heat.

     -Dave

-- 
Dave McGuire
Laurel, MD