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To: Joe NYC who wrote (135203)	5/16/2001 11:08:44 AM
From: Tony Viola	Read Replies (1) \| Respond to of 186894

Joe, >I believe the discussion was about normal water cooling. Only Tony thought we were talking about exotic cooling. I responded to this post by Tim, which is not about water cooling: I'm surprised no vendor is making the jump to liquid cooling, especially for multiprocessor systems where each CPU is a high-watter. No, this _doesn't_ have to be water-cooling. Liquid flourocarbons, e.g., the Fluorinert variants like FC-77, are non-corrosive and can contact the CPUs and even the entire boards. (We used to do our thermal shock testing with Fluorinerts, made at that time by 3M, and even did some burn-in testing of running memory boards inside Fluorinert baths; these may even be standard by today for all I know of current practice.) Your question, Joe: What do you think is the probability of water cooling making it into PCs or servers within next few years? Addressed to Rudedog, but while I'm here, IMO, Slim and None, and Slim was seen leaving the building. By the next few years, say, up to three. Tony

To: Joe NYC who wrote (135203)	5/16/2001 6:56:49 PM
From: rudedog	Respond to of 186894

Jozef - I think the discussion was about freon-class cooling. Water cooled computers were a pain in the tukas. I don't see much chance for any resurgence. The more likely route for high density would be some variety of solid state heat pump tied to a heat pipe from a high output chip like a processor. That allows the heat to be moved to a place where it can be more effectively dumped and allows consolidation of heat sinks. But although I have seen some lab work on this concept I know of nothing heading for production.