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Article #522

Re: 486 / 586(P5) Upgrade

#522
From: william E Davidsen
Date: Wed, 26 Aug 1992 13:32
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In article <1992Aug24.013528.55@wsuhub.uc.twsu.edu>, zxnoueih@wsuhub.uc.twsu.edu (...VALENCIA...) writes:
| A question concerning 486 to 586 upgradability after reading
| some of the replies: Are upgrades possible only on EISA based systems?
| If yes, why? If no, then I guess it was a stupid question...:-)

  There's nothing inherent in the P5 (or any CPU) which needs EISA.
Since the memory is on the motherboard on all modern systems, the bus
handles i/o only. Now, as far as being plug-in replacements (pin
compatible), I doubt it. There may be technical reasons, but the main
reason is that Intel loves to use new pinouts, as they did on the 486SX.

  By doing this they require new board design, which raises the price,
increases inventory, and ups the price to the consumer while delivering
no added functionality. Did I mention that they don't really seem to
care about public relations? If the 486SX had been pin compatible they
could have claimed it was a more cost effective solution for those who
don't need the FPU, and people would have had a good feeling toward them.

  I wonder if anyone at Intel sees a connection between the move to
other vendors when possible and their packaging, pricing, and slipped
delivery policies.

-- 
bill davidsen, GE Corp. R&D Center; Box 8; Schenectady NY 12345
    I admit that when I was in school I wrote COBOL. But I didn't compile.
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References: <1992Aug24.013528.55@wsuhub.uc.twsu.edu>

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From: davidsen@ariel.crd.GE.COM (william E Davidsen)
Newsgroups: comp.sys.intel
Subject: Re: 486 / 586(P5) Upgrade
Message-ID: <1992Aug26.133224.1134@crd.ge.com>
Date: 26 Aug 92 13:32:24 GMT
References: <1992Aug24.013528.55@wsuhub.uc.twsu.edu>
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