After installing FC5, no way to boot in FC4

[Paul Smith]

On 3/23/06, Anil Kumar Sharma <xplusaks at gmail.com> wrote:
> > I have installed FC5 on a free partition, but having FC4 installed on
> > a different partition. Now, I cannot boot in FC4 anymore. How can it
> > be fixed?
>
>  Give more info like what partitions, what format and LVM if any?

Thanks, Anil. On the second partition of hda, I have FC5, and FC4 is
on hdc, on a different hard disk. I suspect that the problem is just
related with grub: during the installation of FC5, grub on FC5 did not
learn that FC4 is on hdc.

Paul