From owner-freebsd-current Mon Nov 25 21:47:35 1996 Return-Path: owner-current Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id VAA11317 for current-outgoing; Mon, 25 Nov 1996 21:47:35 -0800 (PST) Received: from GndRsh.aac.dev.com (GndRsh.aac.dev.com [198.145.92.241]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id VAA11280 for ; Mon, 25 Nov 1996 21:47:00 -0800 (PST) Received: (from rgrimes@localhost) by GndRsh.aac.dev.com (8.7.5/8.7.3) id VAA04463; Mon, 25 Nov 1996 21:45:14 -0800 (PST) From: "Rodney W. Grimes" Message-Id: <199611260545.VAA04463@GndRsh.aac.dev.com> Subject: Re: 2.2-ALPHA install failure In-Reply-To: <199611260253.NAA21607@godzilla.zeta.org.au> from Bruce Evans at "Nov 26, 96 01:53:14 pm" To: bde@zeta.org.au (Bruce Evans) Date: Mon, 25 Nov 1996 21:45:14 -0800 (PST) Cc: j@uriah.heep.sax.de, julian@whistle.com, freebsd-current@FreeBSD.org X-Mailer: ELM [version 2.4ME+ PL25 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-current@FreeBSD.org X-Loop: FreeBSD.org Precedence: bulk > >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