[Info-vax] Dave Cutler, Prism, DEC, Microsoft, etc.

[Bob Koehler]

In article <00f85b72$0$23355$c3e8da3 at news.astraweb.com>, JF Mezei <jfmezei.spamnot at vaxination.ca> writes:
> DaveG wrote:
> 
>> We had a 9000.  It was air cooled.
> 
> Knowing how Digital didn't do things "simple", it could have been a
> system made up of a internal water loop to cool the electronics,  a
> freon compressor with a water-freon heat exchange at one end, and a
> freon-air exchanger at the other , along with fans that drew cool
> outside air through the exchanger and exausted warm air out.

   On production systems, there was a large, lightweight box that
   directed air directly onto the CPU chip holders.  No water.
   DEC was proud enough to make a point of that the first time they
   brought a 9000 to a DECUS symposium.