Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!asuvax!ncar!elroy.jpl.nasa.gov!jato!whoffman
From: whoffman@jato.jpl.nasa.gov (Walt Hoffman)
Newsgroups: comp.sys.atari.st.tech
Subject: Re: *** HELP!  Annoying Verticle line screen garbage! ***
Keywords: atari-st monitor
Message-ID: <1991Apr30.190919.29380@jato.jpl.nasa.gov>
Date: 30 Apr 91 19:09:19 GMT
References: <1970@ahds.UUCP> <47867@ut-emx.uucp> <1991Apr29.163055.7126@rhrk.uni-kl.de>
Reply-To: whoffman@jato.Jpl.Nasa.Gov (Walt Hoffman)
Organization: Jet Propulsion Laboratory, Pasadena, CA
Lines: 30

In article <1991Apr29.163055.7126@rhrk.uni-kl.de> schuch@efes.physik.uni-kl.de (Andreas Schuch) writes:
>
>   This is at the left border ....     This is at the right border
>
>displays like:
>
>           ||        ||        ||           ||        ||        ||
>   erThis i||at the l||t border||...     Thi||is at th||right bo||
>           ||        ||        ||           ||        ||        ||
>
>Any suggestions?
>Thanks in advance.

I, too, had this exact same problem.  It seemed to alter the display memory
because when I did a screen print it also had the lines and image shifting.
I never did get a good feeling for what the cause was but found that lightly
dropping the computer aggravated the symptom.  I opened my computer and found
nothing dramatic but pushed the chips back into their sockets and repackaged
the computer.  I haven't seen the problem repeat yet.  The quad sockets used
in the ST are pretty cheap quality and I wouldnt be surprised if they were
indeed the problem.  

Just thought I could add my $.02 in.


-- 
Walt Hoffman -- Jet Propulsion Laboratory
whoffman@jato.jpl.nasa.gov or elroy!jato!whoffman@csvax.caltech.edu
  Galileo Orbiter Engineering Team  --  Real-Time Analyst
     "Jupiter...it's not just a destination, it's an adventure."