Path: utzoo!utgpu!water!watmath!isishq!Geoffrey.Welsh
From: Geoffrey.Welsh@isishq.FIDONET.ORG (Geoffrey Welsh)
Newsgroups: comp.sys.cbm
Subject: Re: C64 thermal(?) problem
Message-ID: <237.235431A2@isishq.FIDONET.ORG>
Date: 7 Oct 88 15:36:15 GMT
Organization: International Student Information Service -- Headquarters
Lines: 26


 > From: gjs@mtgzz.att.com (g.j.shevchuk)
 > Organization: AT&T, Middletown NJ
 > Message-ID: <4567@mtgzz.att.com>
 > the last several months with my 64.  When turned on, it
 > works fine for
 > maybe an hour or so, and then at some point the screen
 > image starts
 > breaking up in various spots with speckles, and within
 > 15 - 30 seconds
 > the whole screen is just a random array of multi-colored
 > speckles.  It
 > almost looks like a crystallization process.  The system
 > is then locked up,
 > not responding to any keyboard action, but will operate
 > ok again after
 > a half hour or so of rest.  Has anyone seen this or know
 > the likely cause
 
   It sounds like your DRAM chips are flaky.


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