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Article #20850

Reducing fan noise from Macintosh II

#20850
From: Dave Platt
Date: Tue, 27 Oct 1987 21:46
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I spoke this afternoon with Larry Dziegielewski of Micah about hard
disks.  I happened to mention the noisiness of the Mac II's fan;  he
suggested a procedure that he has used successfully in reducing the
fan noise.

Larry pointed out that most Mac IIs are set up with the video card
(Apple or otherwise) located in slot #1, closest to the power supply.
He suggested that putting the card in this location tends to obstruct
the fan's air duct, thus causing turbulence and generating quite a bit
of noise.  He suggested that moving the video card over to slot #6 (as
far away from the power supply as possible) would cut the fan's noise
significantly.

I haven't tried this yet, but plan to do so when I have the
opportunity;  I'll report back about the results.

CAUTION: if you do this, be _sure_ to power off the Mac, wait for the
power supply to cool down, and _ground yourself_ momentarily before
unplugging the video card... the rumor mill has reported that the
Apple video card is quite sensitive to electrostatic-discharge damage.
If you've got an approved wrist-grounding strap, it'd probably be a
good idea to use it.
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Path: arc1-ca.pugleaf.net!utzoo!mnetor!uunet!husc6!sri-unix!teknowledge-vaxc!dplatt

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Path: arc1-ca.pugleaf.net!utzoo!mnetor!uunet!husc6!sri-unix!teknowledge-vaxc!dplatt
From: dplatt@teknowledge-vaxc.ARPA (Dave Platt)
Newsgroups: comp.sys.mac
Subject: Reducing fan noise from Macintosh II
Message-ID: <18318@teknowledge-vaxc.ARPA>
Date: Tue, 27-Oct-87 16:46:47 EST
Article-I.D.: teknowle.18318
Posted: Tue Oct 27 16:46:47 1987
Date-Received: Sat, 31-Oct-87 03:20:26 EST
Organization: Teknowledge, Inc., Palo Alto CA
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