Date: Mon, 25 Nov 1996 21:45:14 -0800 (PST) From: "Rodney W. Grimes" <rgrimes@GndRsh.aac.dev.com> To: bde@zeta.org.au (Bruce Evans) Cc: j@uriah.heep.sax.de, julian@whistle.com, freebsd-current@FreeBSD.org Subject: Re: 2.2-ALPHA install failure Message-ID: <199611260545.VAA04463@GndRsh.aac.dev.com> In-Reply-To: <199611260253.NAA21607@godzilla.zeta.org.au> from Bruce Evans at "Nov 26, 96 01:53:14 pm"
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> >ENOUGH ALREADY! > > Sorry, more last words... > > >When I implimented the dummy fdisk table in the boot loader, I did > >it simply to allow people who had loaded the previous style of > >bootblocks, and who had used IT's style of "dangerously dedicated" > >to be able to replace the old bootblocks with the new ones and > >still be able to boot. > > When I implemented the slice code for 2.0.5 I had to keep supporting > these old boot blocks, so they still haven't gone away. > > >the end sect/cyl/head numbers are NEVER USED except by FreeBSD > > Not true. At least the ncr SCSI BIOS uses them to get some hints > about the geometry. H=255/S=63 gives hints that are inconsistent > with the size of 50000, so the hints are ignored. Also, the SCSI PnP spec says that a SCSI BIOS/Controller SHOULD look at them, and use them as Bruce describes above... -- Rod Grimes rgrimes@gndrsh.aac.dev.com Accurate Automation, Inc. Reliable computers for FreeBSD
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