On Mon, 12 Jun 2006, Ted Mittelstaedt wrote: > >-----Original Message----- > >From: John Nemeth [mailto:[EMAIL PROTECTED] > >Sent: Monday, June 12, 2006 1:15 PM > >To: Ted Mittelstaedt; Nikolas Britton; Ted Unangst > >Cc: Hamorszky Balazs; firstname.lastname@example.org; email@example.com; > >[EMAIL PROTECTED] > >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?
What's more, iirc the MMU of the pdp11 isn't what we call a MMU today, it could not even do paging. -Otto _______________________________________________ firstname.lastname@example.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"