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   sci.electronics.basics      Elementary questions about electronics      72,318 messages   

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   Message 72,148 of 72,318   
   Brian Gaff (Sofa) to Commander Kinsey   
   Re: Why are engineering sample CPUs ille   
   04 Jan 22 08:13:45   
   
   XPost: uk.d-i-y, alt.home.repair, uk.legal   
   From: briang1@blueyonder.co.uk   
      
   I've only seen this one post, but I know  pre production models of things   
   can slip out for whatever reason. I had a computer once where the pcb had   
   been manufactured with a fault, tend you can clearly see back then where the   
   tracks had been manually cut and wires bridged the contacts to the right   
   places, leaving the  tracks as orphans.   
    Likewise a number of Sinclair ZX Spectrums in the early days were made with   
   known faulty ULA chips and a logic chip  glued to the surface with its legs   
   splayed and wired to make the circuit work.   
    The first batch of Phillips CD100s the very first CD player on the market   
   had quite a lot of wires cut tracks and components wired in odd ways inside   
   it. I have to say that none of these what we might call bodges ever caused   
   any trouble during the lives of the  products. The CD100 is in fact still   
   working, although its  tendency to jump if a gnat walks across the floor   
   shows it does not have the memory buffers in modern players.   
    Brian   
      
   --   
      
   This newsgroup posting comes to you directly from...   
   The Sofa of Brian Gaff...   
   briang1@blueyonder.co.uk   
   Blind user, so no pictures please   
   Note this Signature is meaningless.!   
   "Commander Kinsey"  wrote in message   
   news:op.1ff0vywmmvhs6z@ryzen.lan...   
   > On Mon, 03 Jan 2022 22:44:24 -0000, Phil Allison    
   > wrote:   
   >   
   >> Commander Kinsey Raving Lunatic wrote:   
   >> ====================   
   >>>   
   >>> > ** True story:   
   >>> >   
   >>> > A manufacturer here in Sydney ( Jands Electronics) made a   
   >>> > "pre-production" batch of a new model power amplifier for professional   
   >>> > use.   
   >>> > They wisely chose to road test it in the expected environment - on the   
   >>> > road with live bands.   
   >>> > They proved to be problematic in several respects and the design was   
   >>> > heavily revised for the production version.   
   >>> > The sample amps were fully labelled with the maker's logo and the same   
   >>> > model number as the later versions.   
   >>>   
   >>> Well that was pretty stupid of them.   
   >>   
   >> **  Not at all  -  if problems were small or fixable the amps would have   
   >> been used in the same company's hire business.   
   >>      Needed to look right for that job.   
   >   
   > No need to have the same model number.   
   >   
   >>> > Think there were about 20 of them, put into storage for eventual   
   >>> > disposal.   
   >>> >   
   >>> > Then an enterprising staff member obtained them and decided he could   
   >>> > sell them all to a local second hand dealer   
   >>> - letting him believe they were just like the regular models on sale at   
   >>> the time - but for a very low price so giving him a large mark up.   
   >>>   
   >>> So he lied.   
   >>   
   >> ** No. He deceived a gullible fool and sold items that wound up hurting   
   >> the company he worked for.   
   >   
   > That is a lie, he did not say they were tests.   
   >   
   >>> But my question was about selling them as engineering samples.   
   >>   
   >> **  The situations are parallel.   
   >>   
   >>   In both cases the items were not meant for sale for good reasons.   
   >>   And assholes like YOU wanted to circumvent that decision for their own   
   >> benefit.   
   >   
   > No, if I buy an engineering sample advertised as such, I don't expect it   
   > to work perfectly.   
   >   
   > Newsgroups reinstated.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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