You should be able to use rdev (check man rdev) to
set the root device in a kernel.

basicly

rdev kernel.image /dev/sda1 <enter>

Bill Warner

>From: "der.hans" <PLUGd@LuftHans.com>
>Reply-To: plug-discuss@lists.PLUG.phoenix.az.us
>To: "'PLUG Discuss'" <plug-discuss@lists.PLUG.phoenix.az.us>
>Subject: Re: (no subject)
>Date: Sun, 5 Mar 2000 23:18:19 -0700 (MST)
>
>On Wed, 1 Mar 2000, Jordan Bill-G13271 wrote:
>
> > Boot Help
> > I have a PPC (PreP) system, that I can't get to boot from the hard 
>drive. I
> > have root on sda1, swap on sda3,and PreP on sda2. When I boot from the
> > floppy, after it gets started, I give the boot argument 
>"root=/dev/sda1",
> > and it boots right up. The question I have, and it's probably pretty 
>dumb,
> > but here it goes anyway. To get it to boot directly from the hard drive 
>do I
> > have the open firmware look to the PreP partition or the "/" partition 
>to
> > boot?
>
>Bill,
>
>the kernel has the root partition hard coded. If we had a boot-loader you
>would be able to put it in a conf file like lilo does. We don't, so you
>either have to recompile the kernel and add the appropriate boot time
>configuration line, type it in every time you boot or put root in the
>default partition, /dev/sda2?.
>
>Where's your kernel partition?
>
>ciao,
>
>der.hans
>--
># +++++++++++=================================+++++++++++ #
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>
>
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