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- Newsgroups: comp.sys.amiga.hardware
- Path: sparky!uunet!zaphod.mps.ohio-state.edu!moe.ksu.ksu.edu!unlinfo.unl.edu!cse!summ50
- From: summ50@cse.unl.edu ()
- Subject: Re: A3000: Heating up?
- Message-ID: <1992Sep3.195657.2555@unlinfo.unl.edu>
- Sender: news@unlinfo.unl.edu
- Nntp-Posting-Host: cse.unl.edu
- Organization: University of Nebraska - Lincoln
- References: <aqyFqB1w164w@qed.cts.com> <185dkjINN62m@grapevine.EBay.Sun.COM>
- Date: Thu, 3 Sep 1992 19:56:57 GMT
- Lines: 49
-
- smckinty@sunicnc.France.Sun.COM (Steve McKinty - Sun ICNC) writes:
-
- >In article <aqyFqB1w164w@qed.cts.com>, analogki@qed.cts.com (Jeff Robertson) writes:
- >>
- >> I have an Amiga 3000 (25Mhz) with 52meg Quantum HD, two internal floppy
- >> drives, 2megs of CHIP RAM and 4megs of FAST RAM. My mom-board rev# is 8.9.
- >>
- >> It occurred to me one day that my power supply's fan shouldn't be BLOWING
- >> air INTO the machine, as every power supply I have ever seen on a 3000 was
- >> SUCKING air OUT! The same is true for every other power supply for any
- >> computer I have ever seen. Makes sense, too. Sucking air OUT of the machine
- >> seems more efficient in cooling than forcing it in. This action also keeps
- >> DUST from piling up on the IC's.
- >>
- >I would disagree. If the fan sucks air out, then the incoming air gets in
- >through all the holes in the case, and is not filtered. By making the fan
- >blow air in, you can put a filter over the fan intake & screen out the
- >dust (I haven't got an A3000, I don't know if there is a filter there, but
- >that's commonplace on larger systems).
-
- >As to cooling, if the hottest objects are near the fan, making it blow
- >in gets the cool ambient air straight to them. Sucking it out means that
- >the air has already been heated up by the rest of the system by the time it
- >gets to them.
-
- >My preference would be to leave things as C= did, at least that way if it
- >does die your warranty is intact!
-
- >Steve
-
-
- Hmmmm..... Odd.... I just stuck my hand behind my A3000/25-50, and, lo
- and behold, the fan was blowing air OUT of the Amiga.... and that is
- exactly how it came from the factory!
-
- By the way, no problems here, either, but it also gets dusty inside.
-
-
- __
- /-----------------------------+---------------+-------------------///-------\
- | ___ __ ___ __ __ | | Multitasking __ /// |
- | | | | | |__ __| | Unsafe at | my life \\\/// Amiga |
- | |___ |__| | __| |__| | any speed... | away !!! \XX/ 3000 |
- |-----------------------------+---------------+-----------------------------|
- | Eric Elliott summ50@cse.unl.edu GEnie: E.ELLIOTT7 |
- \---------------------------------------------------------------------------/
-
- --
-
-