Ok, this is a 2 part post that I originally posted on Linuxselfhelp.
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Hi all, I am finally making the change to Linux, but having a hard time booting.

I originally installed RH 7 which installed / booted fine however my Video Driver was not supported.

I now installed RH 9 via the boxed set.

I have 2 disks.
Disk 1 XP
Disk 2 formatted for Linux.

I selected Automatic partition for Disk 2.
It created a swap, then 2 more partitions
/dev/hdd1 - /boot
/dev/hdd2 - /

After the installation, when Selecting Red Hat from Grub, I get an "Error 15: File not found". Grub is pointing to root = (hd1,0)
I tried many other combinations which didnt seem to work either. Someone please help!!

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Ok, I got fed up with this install and went back to RH 7.3, reformatting and doing a fresh install. I noticed that after the install, Grub has 2 lines:
kernel /vmlinuz-2.4.18-3 ro root=/dev/hdd2 hdc=ide-scsi
initrd /initrd-2.4.18-3.img

-This boots fine, but does not support my video ATI Radeon 9000. (I'm too much of a newb to figure out how to install a new rpm from console).

Now, when I upgrade or do a Fresh install of RH9, it only has one line in Grub:
kernel /vmlinuz-2.4.20-6 ro root=/dev/hdd2 hdc=ide-scsi

And I get the following Error when trying to boot: Error 15 File not found.

-I then did another fresh install of RH 9, selecting Lilo as the boot loader however, when I rebooted Grub was still there.

I think there is a huge problem with RH9 install for the following reasons:
RH 7.3, automatic partition install works fine. -Creates floppy boot disk also.

RH 9, Upgrade or Fresh install does gives an Error when attempting to make a floppy boot disk. After install is complete, rebooting with Grub gives an Error 15: File not found.

Not sure what else to try..