I can actually beet that date of the 80's. There was a computer running the a local state database (covering medical records and such) in an american state back in the early seventies I think and has only been recently decomissioned. It was hooked up to the water mains for its cooling and had copper pipes running over all the transistors and stuff in the unit. I`ll post the link if I find it
Mike
> From: Robert Davies <rob_davies@ntlworld.com>
> Date: Mon, 29 Apr 2002 14:51:47 +0100
> To: nottingham@lists.lug.org.uk
> Subject: Re: [nottingham] Some ideas...
>
> On Sunday 21 April 2002 20:08, you wrote:
> > On Sun, Apr 21, 2002 at 02:43:41PM +0100, Mike Wroughton wrote:
>
> > Don't do this. Ever. Water cooling is safe if you buy the correct bits and
> > are careful. Cooling with nitrogen is suicidal: you'll not be able to cool
> > it evenly, fiberglass is very brittle, and you'll crack you motherboard.
> > Not a good idea.
>
> The problem with cryo cooling is condensation, even with peltier heat pumps
> care has to be taken not to cool to freezing point, if you do you need pretty
> much air tight seals.
>
> Water cooling makes some sense, particularly if combined with a massive
> copper heat sink, with the water kept out of the case. Various overclocking
> sites have examples, and the big advantage is the lack of a fan. Various VAX
> mini-computers used water cooling even in the late 80's.
>
> Rob
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