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Re: [TCLUG:19968] Bootable Image Lilo and CDRW
... from the mkisofs man page. The '-b' option specifies the boot image and it
says here what the allowable boot image sizes are. I forget the exact error
message, but it definately did not like 1.7 meg boot floppy images.
-b eltorito_boot_image
Specifies the path and filename of the boot image
to be used when making an "El Torito" bootable CD.
The pathname must be relative to the source path
specified to mkisofs. This option is required to
make an "El Torito" bootable CD. The boot image
must be exactly the size of either a 1.2, 1.44, or
a 2.88 meg floppy, and mkisofs will use this size
when creating the output iso9660 filesystem. It is
assumed that the first 512 byte sector should be
read from the boot image (it is essentially emulat
ing a normal floppy drive). This will work, for
example, if the boot image is a LILO based boot
floppy.
Charles Clifton Fulton wrote:
> You don't want to use mkisofs on the file if you are trying to make a
> bootable CD. Just burn the floppy image directly.
>
> I don't see why mkisofs would choke on it though. It should be just
> another file, but I haven't tried with odd sizes. What does mkisofs say?
>
> Charlie
>
> On Wed, 2 Aug 2000, John Hawley wrote:
>
> > jrsmit2@uswest.com wrote:
> >
> > >
> > >
> > > So you need to make a bootable floppy (you can even do a 2.88 meg floppy if
> > > you've got one) image and write that to the cdrom.
> > >
> >
> > A lot of the cool bootable recovery floppys use the 1.7M format which if you
> > use as the image to dd, mkisofs chokes on. :(
> > Or does anyone know if a newer version does accept this?
>
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--
John Hawley
Network Administrator
IT Services // BGEA
612.335.1334 <=> jhawley@bgea.org