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Table Of Contents  CertiGuide to A+ (Core Hardware)
 9  Chapter 0010:  CPUs
      9  IV  Older CPUs (80386 and 80486 Class)

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80486-DX2
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V  Pentium Family CPUs
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80486-SX

Remember Intel's marketing of the 80386-SX? Well, in a classic case of taking lemons and making lemonade, Intel took some of its 80486 CPUs that had defective math co-processors, burned out the ability to access the defective math-co, and sold them as 80486-SX CPUs. Once again, Intel had a hit.

All too often success comes with a price. In this particular instance, that price came with competition. Remember Cyrix and FastMath? Well, when Intel looked to bury Cyrix's FastMath by putting the math-co in the CPU, Cyrix responded by making CPUs. And Cyrix wasn't alone in looking to take a bite out of Intel. Another firm with a fair amount of experience in turning sand into dollars called Advanced Micro Devices (AMD) figures prominently in really ticking Intel off.


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80486-DX2
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V  Pentium Family CPUs
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