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Date:      Tue, 21 Mar 1995 12:56:17 -0800 (PST)
From:      Poul-Henning Kamp <phk@ref.tfs.com>
To:        bde@zeta.org.au (Bruce Evans)
Cc:        bde@zeta.org.au, gibbs@estienne.CS.Berkeley.EDU, gibbs@freefall.cdrom.com, hackers@freefall.cdrom.com, jkh@freefall.cdrom.com, peter@bonkers.taronga.com, rgrimes@gndrsh.aac.dev.com
Subject:   Re: SVNET Meeting?
Message-ID:  <199503212056.MAA01911@ref.tfs.com>
In-Reply-To: <199503211803.EAA21797@godzilla.zeta.org.au> from "Bruce Evans" at Mar 22, 95 04:03:48 am

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> >> There will have to be a another stage in the boot for 2.1.  This
> >> is not hard to implement, except for the dosboot and possibly the
> >> netboot.  The dosboot and the netboot are already out of date.
> >> The netboot lacks support for BIOS drive geometries (which is
> >> essential for correct operation of fdisk and sysinstall) and both
> >> lack support for BIOS memory sizes.
> 
> >Say what ?
> 
> Fdisk and sysinstall now get the disk geometry from the in-core disk
> label.  If there is no on-disk label, then in-core label is faked and
> depends on the partition table.  If there is an on-disk BSD label, then
> it may have a geometry different from the BIOS geometry.  E.g., it may
> have the geometry printed by the driver probe.  Fdisk and sysinstall
> need to know the correct BIOS geometry to initialize the C/H/S values
> in the partition table.

The bios geometry is already read in the bootblocks.  do a "boot -v"

-- 
Poul-Henning Kamp <phk@login.dknet.dk> -- TRW Financial Systems, Inc.
'All relevant people are pertinent' && 'All rude people are impertinent'
=> 'no rude people are relevant'



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