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  1. Path: sparky!uunet!usc!cs.utexas.edu!uwm.edu!ogicse!das-news.harvard.edu!cantaloupe.srv.cs.cmu.edu!lindsay
  2. From: lindsay+@cs.cmu.edu (Donald Lindsay)
  3. Newsgroups: comp.arch
  4. Subject: Re: cooling
  5. Message-ID: <BtEy50.Ix4.2@cs.cmu.edu>
  6. Date: 23 Aug 92 01:43:48 GMT
  7. Article-I.D.: cs.BtEy50.Ix4.2
  8. References: <JAN.92Aug14135936@pallas.neuroinformatik.ruhr-uni-bochum.de> <1992Aug19.094652.11356@mole-end.matawan.nj.us> <BtED7C.5II@exnet.co.uk>
  9. Sender: news@cs.cmu.edu (Usenet News System)
  10. Organization: School of Computer Science, Carnegie Mellon
  11. Lines: 14
  12. Nntp-Posting-Host: gandalf.cs.cmu.edu
  13.  
  14.  
  15. In article <BtED7C.5II@exnet.co.uk> dhd@exnet.co.uk (Damon) writes:
  16. >Well, I think we should add a new UNIX character-special device,
  17. >/dev/heatsink.
  18.  
  19. Close to the truth. High-reliability systems (and high priced
  20. systems) can justify computer monitoring to detect e.g. a failed fan.
  21. Aha, /dev/muffin! - well, actually, it's more likely an interrupt
  22. flavor. The DECWRL heat pipe requires a vertical-orientation sensor
  23. (and power cutoff).  I remember line printers with humidity sensors
  24. (and power cutoff). If one of these trips, you'd really like to be
  25. told which one it was, rather than having to guess.
  26. -- 
  27. Don        D.C.Lindsay     Carnegie Mellon Computer Science
  28.