Path: utzoo!utgpu!watmath!isishq!f171.n221.z1.FIDONET.ORG!izot
From: izot@f171.n221.z1.FIDONET.ORG (Geoffrey Welsh)
Newsgroups: comp.sys.cbm
Subject: Re: 64k Video Chip
Message-ID: <2015.24402790@isishq.FIDONET.ORG>
Date: 8 Apr 89 13:51:31 GMT
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 > From: fred@cbmvax.UUCP (Fred Bowen)
 > Message-ID: <6540@cbmvax.UUCP>
 
 > Assuming option #1 is out of the question, consider the kit from SSI if you
 > are not a technician.  Desoldering in the confines of the video can is not
 > easy.  The solderless tower simply requires you to remove the socketed 8563
 > chip, install the tower, and stick the 8563 into the tower.
 
   No kidding. I've worked with circuit boards and, the first time I did the 
VDC RAM chip upgrade, I managed to destroy a circuit trace and had to replace 
it with a jumper (the schematics in the C128 PRG were very handy...)
 
   One question: if  remember correctly, the VDC was enclosed in the can... 
wouldn't installing a tower preclude closing that can and perhaps even putting 
the RF shield back in place? (I could be wrong; I haven't owned a 128 since 
fall of '87 and my memory of its internal arrangement isn't perfect).
 


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