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Article #1384Re: Simple CPU Questions
From: L. Mekenkamp
Date: Wed, 06 Jan 1993 15:17
Date: Wed, 06 Jan 1993 15:17
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>> The released of 486-SX is used to offer a high performance CPU and >>same price of AMD 386-40. The Co-process in the die is disabled by intel. >>Because those die a selected from 486 production line that the co-processor >>part was failed during production. >> >I believe this is incorrect. The 486SX is physically different from >the 486DX. The 486SX is NOT a 486DX whose coprocessor circuits do not work >due to some defect and is sold as such. I believe the first 486SX chips *were* in fact 486DX chips with the copro disabled. Intel used another design in later versions of the SX Leo Mekenkamp
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Newsgroups: comp.sys.intel Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!sun4nl!rulway.LeidenUniv.nl!rulhp1.leidenuniv.nl!leo From: leo@rulhp1.leidenuniv.nl (L. Mekenkamp) Subject: Re: Simple CPU Questions Message-ID: <1993Jan6.151714.14179@rulway.LeidenUniv.nl> Sender: Leo Mekenkamp (MEKENKAMP@RULWINWST.LEIDENUNIV.NL) Nntp-Posting-Host: rulhp1.leidenuniv.nl Organization: Dept. of Mathematics and Computer Science ; Univ. of Leiden ; the Netherlands References: <72263@cup.portal.com> <1993Jan5.121048.9355@uxmail.ust.hk> <1993Jan5.212031.29177@ptdcs2.intel.com> Date: Wed, 6 Jan 93 15:17:14 GMT Lines: 14