Article View: comp.sys.ibm.pc
Article #8815Re: 640K limit
From: Ralf.Brown
Date: Thu, 18 Jan 1990 12:33
Date: Thu, 18 Jan 1990 12:33
16 lines
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1361 bytes
In article <10344@saturn.ucsc.edu>, ted@helios.ucsc.edu (Ted Cantrall) wrote:
}How would things have worked out if IBM had put this 384k block at the bottom
}of the memory (0-384). That would have left no constrictions on upward
}expansion except the 8088. And that problem would have been remedied by
}the 80286. -ted-
Not really, since to get past 1M on the 80826, you have to switch to protected
mode, in which the segment registers have a totally different interpretation.
Most software would have to have been rewritten, anyway.
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!cs.utexas.edu!tut.cis.ohio-state.edu!pt.cs.cmu.edu!b.gp.cs.cmu.edu!Ralf.Brown@B.GP.CS.CMU.EDU From: Ralf.Brown@B.GP.CS.CMU.EDU Newsgroups: comp.sys.ibm.pc Subject: Re: 640K limit Message-ID: <25b5c5b9@ralf> Date: 18 Jan 90 12:33:45 GMT Sender: ralf@b.gp.cs.cmu.edu Organization: Carnegie Mellon University School of Computer Science Lines: 16 In-Reply-To: <10344@saturn.ucsc.edu>