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Article #10922

Re: Heat Output of New uPs

#10922
From: Jim Gettys
Date: Mon, 14 Dec 1992 11:30
28 lines
1773 bytes
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 :-).

-- 
Digital Equipment Corporation
Cambridge Research Laboratory
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Message-ID: <1992Dec14.113000.1024@crl.dec.com>
Path: arc1-ca.pugleaf.net!sparky!uunet!cs.utexas.edu!swrinde!elroy.jpl.nasa.gov!decwrl!deccrl!news.crl.dec.com!jg
References: <1992Dec9.155802.29342@sequent.com> <Bz85L8.Bnx@exnet.co.uk>

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From: jg@crl.dec.com (Jim Gettys)
Subject: Re: Heat Output of New uPs
Message-ID: <1992Dec14.113000.1024@crl.dec.com>
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Organization: DEC Cambridge Research Lab
References: <1992Dec9.155802.29342@sequent.com> <Bz85L8.Bnx@exnet.co.uk>
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Date: Mon, 14 Dec 1992 11:30:00 GMT
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