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Article #43195

Re: Mac Plus Motherboard from Hell

#43195
From: Terence Chang
Date: Tue, 30 May 1989 02:58
23 lines
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In article <5637@hubcap.clemson.edu> jcocon%hazel.cs.clemson.edu@hubcap.clemson.edu writes:
>I had similar problems once.  The Mac has a paper/tin foil rf shield on the 
>bottom of the mother board.  Somehow it was shorting out a few pins.
> . . .

Four people mailed me already (less than 10 hours after posting, wow thanks)
mostly suggesting that the SIMMs might need cleaning or reseating.  But I
think I do have a short -- if I place my ear against the case, I can hear
a faint nonperiodic tick-tick-tick coming from the motherboard (this is
with the hard drive powered down of course) which sounds likes a spark
gap.

I tried to explain this to the Mac repair tech, but he insisted that it
was the *speaker* that was making the sounds -- it's ticking for at least
two years now.  Argh.  I'll inspect the motherboard as soon as I buy those
wonderful gidgets you need to open the case :( .

Terence
-----
"People who get nostalgic      |  Terence Chang:
 about childhood were          |    e-mail: !ucbvax!cory!terence 
 obviously never children."    |            terence@cory.berkeley.edu
	  "Calvin and Hobbes"  |            or an acceptable facsimile thereof 
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From: terence@cory.Berkeley.EDU (Terence Chang)
Newsgroups: comp.sys.mac
Subject: Re: Mac Plus Motherboard from Hell
Keywords: oscar, kilo, alpha, yankee
Message-ID: <14243@pasteur.Berkeley.EDU>
Date: 30 May 89 02:58:29 GMT
References: <14233@pasteur.Berkeley.EDU> <5637@hubcap.clemson.edu>
Sender: news@pasteur.Berkeley.EDU
Reply-To: terence@cory.Berkeley.EDU.UUCP (Terence Chang)
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