Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!ucbvax!agate!saturn!baum@Apple.COM From: baum@Apple.COM (Allen J. Baum) Newsgroups: comp.os.research Subject: Re: Inv. Page Table references wanted Message-ID: <6469@saturn.ucsc.edu> Date: 24 Feb 89 20:53:54 GMT Sender: usenet@saturn.ucsc.edu Organization: Apple Computer, Inc. Lines: 19 Approved: comp-os-research@jupiter.ucsc.edu >In article <6446@saturn.ucsc.edu> ken@gatech.edu (Ken Seefried iii) writes: > >IBM has a booklet called "IBM RT Personal Computer Technology" (Form >No. SA23-1057, whatever that means) that is a compilation of articles >discussing various aspects of the IBM PC/RT (an IBM 801 derivative). > >There are several articles about the MMU. One of them discusses the >inverted page table scheme, though not in extreme detail. See also: [ I assume this is a patent number. --DL ] 4,638,426 FILED: Sep. 19, 1983 Granted : Jan. 20, 1987 Virtual memory address translation mechanism with controlled data persistence Lots of gory details. -- baum@apple.com (408)974-3385 {decwrl,hplabs}!amdahl!apple!baum