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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" |
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