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From: zaft@nswses.navy.mil (Gordon C Zaft)
Newsgroups: comp.sys.misc
Subject: Re: fan question
Summary: out, not in.
Message-ID: <6606@suned1.Nswses.Navy.MIL>
Date: 14 Dec 90 07:04:18 GMT
References: <9012130133.AA24147@polar.bowdoin.edu>
Sender: efb@suned1.Nswses.Navy.MIL
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Organization: NSWSES, Port Hueneme, CA
Lines: 17

In article <9012130133.AA24147@polar.bowdoin.edu> poulin@POLAR.BOWDOIN.EDU (Jeff Poulin) writes:
>Here's a dumb little question that I'm not sure of the answer.  Which
>direction should the fan be blowing: into the power supply or out of it?
>My computer came configured with the fan blowing in (presumably to keep
>the stuff in the power supply cool), but I noticed the cards become quite
>warm and one of the hard drives starts sounding like a car going 40mph in
>first gear if I leave the computer on for more than 12 hours.  Otherwise

	Fans on power supplies should never blow into the cabinet, always
OUT.  The idea is to draw cool air into the cabinet, across the cards,
through the power supply and out.

--
+  Gordon Zaft                        |  zaft@suned1.nswses.navy.mil         +
+  NSWSES, Code 4Y33                  |  suned1!zaft@elroy.jpl.nasa.gov      +
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**** Gloria in excelsis Deo, et in terra Pax hominibus bonae voluntatis. *****