Uhm... put the disk in a sit back? You'll need to give more info. Is it a LILO boot disk or a plain vmlinuz > /dev/fd0 boot disk? If its the latter then there are no parameters. If its a LILO disk you're best off reading the documentation that comes with the kernel about what parameters can be passed to it, as you can use any of those. The Common one for boot disks tends to be root=
A bit of clarification needed I think!