FC4 install does not start

[Innocent Evil]

> RAMDISK: Couldn't find valid RAM disk image starting at 0.
> VFS: Cannot open root device "<NULL>" or unknown-block(8,3)
> Please append a correct "root=" boot option
> Kernel panic - non syncing: VFS: Unable to mount root fs on
> unknown-block(8,3)

I am getting the same error.