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Article #21824Re: IBM PC prehistory (was Japanese Jos
From: Bruce R. Holloway
Date: Tue, 26 Dec 1989 22:40
Date: Tue, 26 Dec 1989 22:40
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In article <76700097@p.cs.uiuc.edu>, gillies@p.cs.uiuc.edu writes: > > My understanding was that 8086's cost $50+, but 8088's cost $25-$30, > so they adopted the 8088. As I recall, both the '86 & the '88 have multiplexed address & data busses, so they are identical packages, and they must have almost identical dies. I can't believe Intel priced them so differently. The reason IBM chose the 8-bit model was to keep the expansion bus only 8 bits wide. This saved them on connectors & buffers & drivers, & made every board that plugged in cheaper as well. It made memory expandable in smaller chunks, too.
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!sun-barr!decwrl!sgi!bruceh@brushwud.sgi.com From: bruceh@brushwud.sgi.com (Bruce R. Holloway) Newsgroups: comp.arch Subject: Re: IBM PC prehistory (was Japanese Jos Message-ID: <47021@sgi.sgi.com> Date: 26 Dec 89 22:40:30 GMT References: <21559@uflorida.cis.ufl.EDU> <76700097@p.cs.uiuc.edu> Sender: bruceh@brushwud.sgi.com Organization: Silicon Graphics, Inc., Mountain View, CA Lines: 13