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- Newsgroups: comp.arch
- Path: sparky!uunet!cs.utexas.edu!swrinde!elroy.jpl.nasa.gov!decwrl!deccrl!news.crl.dec.com!jg
- From: jg@crl.dec.com (Jim Gettys)
- Subject: Re: Heat Output of New uPs
- Message-ID: <1992Dec14.113000.1024@crl.dec.com>
- Sender: news@crl.dec.com (USENET News System)
- Organization: DEC Cambridge Research Lab
- References: <1992Dec9.155802.29342@sequent.com> <Bz85L8.Bnx@exnet.co.uk>
- Distribution: usa
- Date: Mon, 14 Dec 1992 11:30:00 GMT
- Lines: 28
-
- In article <Bz85L8.Bnx@exnet.co.uk>, dhd@exnet.co.uk (Damon) writes:
- > In article <1992Dec9.155802.29342@sequent.com> thall@sequent.com (Trevor Hall) writes:
- > >Here's a new thread. Think about the latest generation of uPs: Alpha,
- > >R4000/4400, Pentium, M88110. Now think about the heat dissapation of
- > >those chips. I think the Alpha's in the 20+ watt range, Pentium is
- > >12-15 watts. Now try to imagine one of these guys in a laptop...
- > >
- > >Any ideas for (safely) implementing a laptop based on one of these
- > >chips? If I remember correctly, I think 10-20 watts was about the
- > >heat output of the Kenner Easy-Bake Oven. I can't picture putting
- > >one of those on my lap for a 2-3 hour plane trip.
- >
- > Well, I think one could use it for ruggedised computing in colder
- > climes (like Scotland and northwards).
- >
- > "150SPEC with built in hand/crutch warmer, maintains typing speed at
- > -5C..."
- >
-
- Well, of course, you turn down the clock way down when you don't need the speed...
- So long as the total computation/watt hour stays the same, I'll take the faster machine...
-
- Another suggestion use for the left over heat has been as a coffee warmer;
- got to keep the user running fast as well :-).
-
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- Cambridge Research Laboratory
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