[sdiy] perplexing polysix problem

[Bob Weigel]

Hehe.  No I had a handle on all that of course.  I used to build PC's.  
It most definitely was not a turbo issue.  But I mean it was running 
like 5 mhz equiv instead of the 25 it was supposed to run at.  
Incredibly slow. 

jure zitnik wrote:

> hmm maybe the "turbo"pin got grounded everytime the cover was put on?
>
> errr.. so, then - what VA instruments could you run on such machine?
>
>
> On Thu, Mar 6, 2008 at 8:26 AM, Bob Weigel <sounddoctorin at imt.net 
> <mailto:sounddoctorin at imt.net>> wrote:
>
>     Well..some of my horror jobs are documented on sounddoctorin.com
>     <http://sounddoctorin.com> in the
>     global synth pages.  I figured they might be instructive instances.
>     Several on the Siel DK600 where I solved some strange problems.  But
>     some of the all time wierdo ones incluce
>
>     * an old 486 Packard Bell I tried to install a second HD in.  I got it
>     up working and returned it to the user who said it...ran..very
>     .....very
>     very..slowwwwwwww...  I brought it back in pulled the cover and it all
>     looked ok in there so I fired it up and..hmm..ran fine.  Gave it
>     back to
>     him...same story.  He brings it in and shows me.  Huh..sure enough.  I
>     take the cover off...it's fine.  Are we getting the picture?  I
>     checked
>     to make sure..everything was grounded ok...uhuh...
>
>     Answer to problem?  It proved to be a CPU...which...actually ran like
>     and 8088 when the cover was on.  I never researched why this was.  It
>     stands as one of the strangest unimaginable repairs I've ever done I
>     believe.  Put in a new CPU and it allows itself to be shielded
>     slightly
>     better.   So..wahtaatttt?  Was the environment providing necessary
>     noise?  Hehe.  Absolutely bizarre.
>
>     Anyway yeah I could fill a book probably with stuff like that if I
>     went
>     back through history.  After you've repaired thousands of things
>     though
>     where many of them are quite frustrating it all starts to fade
>     together
>     a bit. -bob
>
>     Veronica Merryfield wrote:
>
>     >> Gee..I haven't seen one to add the the Weigel museum of spook
>     >> electronic phenomena for a little while.
>     >
>     > Do you have a catalogue and opening hours? Sounds like a fun
>     place to
>     > explore :)
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