Re: booting on CD for a 7043/150
On Fri, 7 Feb 2003 07:42:00 -0700
"Chris Tillman" <tillman@voicetrak.com> wrote:
> On Fri, Feb 07, 2003 at 03:01:45PM +0100, Timothee Besset wrote:
> > I'm trying to get DI code running for a 7043/150 powerpc box. Since the
> > kernel image and everything is too big to fit on a floppy, the only
> > solution is to boot on CD.
> >
> > After some looking around, I have found the following information:
> >
> > The CD must have a PReP partition to boot on, and point to a zImage.chrp
> > kernel image (which I compiled myself from a 2.4.20 tarball)
> >
> > I think I have made a correct CD. Typically I have built the image like
> > so:
> >
> > /usr/bin/mkisofs -graft-points -f -R -r -l -J -prep-boot linux -o /home/timo/cranky.img -- linux=/home/timo/cranky/linux net-initrd.gz=/home/timo/cranky/net-initrd.gz
> >
> > When I try to boot it from OF, it says ok, but nothing happens:
> >
> > 0 > boot cdrom:,linux console=ttyS0
> > ok
> > 0 >
> >
> > That's it .. nothing afterwards ..
>
> I wonder if that box has hardware CD drivers. CD boots don't
> work on oldworld powermacs because they need proprietary MacOS
> CD drivers (just offering food for thought).
>
The box is fairly recent. It's a chrp architecture, it's not an oldworld
box. I had tried to boot it with an invalid CD (i.e. one which didn't have
a PReP partition), and I was gettting a nasty error at that time. So I
believe it does indeed have a hardware CD driver.
TTimo
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