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Article #22474Re: 64-bit addresses
From: Donald Lindsay
Date: Wed, 14 Feb 1990 02:41
Date: Wed, 14 Feb 1990 02:41
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In article <8840009@hpfcso.HP.COM> dgr@hpfcso.HP.COM (Dave Roberts) writes: >All those signals coming out of a chip will take >a lot of chip area around the edge of a die, hence driving physical die >sizes up (and chip yields down). The "small" system of the future would map a 48-bit or 64-bit virtual address to a 32-bit physical address. With an on-chip MMU, the pin count would be the same as it is now. -- Don D.C.Lindsay Carnegie Mellon Computer Science
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arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!tut.cis.ohio-state.edu!pt.cs.cmu.edu!MATHOM.GANDALF.CS.CMU.EDU!lindsayReferences:
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!tut.cis.ohio-state.edu!pt.cs.cmu.edu!MATHOM.GANDALF.CS.CMU.EDU!lindsay From: lindsay@MATHOM.GANDALF.CS.CMU.EDU (Donald Lindsay) Newsgroups: comp.arch Subject: Re: 64-bit addresses Summary: physical not virtual Message-ID: <7971@pt.cs.cmu.edu> Date: 14 Feb 90 02:41:35 GMT References: <9708@spool.cs.wisc.edu> <8840009@hpfcso.HP.COM> Organization: Carnegie-Mellon University, CS/RI Lines: 10