Date: Mon, 12 Jun 2006 22:27:33 -0700 From: "Ted Mittelstaedt" <tedm@toybox.placo.com> To: "John Nemeth" <jnemeth@victoria.tc.ca>, "Nikolas Britton" <nikolas.britton@gmail.com>, "Ted Unangst" <ted.unangst@gmail.com> Cc: =?iso-8859-1?Q?H=E1morszky_Bal=E1zs?= <balihb@ogyi.hu>, misc@openbsd.org, freebsd-questions@freebsd.org, netbsd-users@NetBSD.org Subject: RE: wikipedia article Message-ID: <LOBBIFDAGNMAMLGJJCKNMEBMFEAA.tedm@toybox.placo.com> In-Reply-To: <200606122014.k5CKEvgZ029908@vtn1.victoria.tc.ca>
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>-----Original Message----- >From: John Nemeth [mailto:jnemeth@victoria.tc.ca] >Sent: Monday, June 12, 2006 1:15 PM >To: Ted Mittelstaedt; Nikolas Britton; Ted Unangst >Cc: Hámorszky Balázs; misc@openbsd.org; freebsd-questions@freebsd.org; >netbsd-users@NetBSD.org >Subject: RE: wikipedia article > > >On Nov 1, 6:11pm, "Ted Mittelstaedt" wrote: >} >} Prior to the release of the 80386 the Intel processors didn't have >} memory protection which was a requirement of any processor running >} the BSD kernel. > > This is not entirely true. The 80286 had memory protection. >However, its memory protection was completely based on segments (i.e. >it could not do paging). Oh, yeah, your right about that. Me bad. >Also, it was only a 16 bit processor. What was the bit size of the CPU's originally used to write UNIX in Bell Labs? Ted
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