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Grub doesn't let me boot from PATA Disk

RandomStyuff

Junior Member
I am a long time SUSE and now openSUSE user. For a while I've been telling myself to try Ubuntu, just to see how it is and what the big deal is all about. I saw 7.10 as a good opportunity to do so. The problem is I ran out of hard drive space on my 320 GB SATA drive, so I decided to use an old, unused 80GB PATA disk I had sitting around.

I downloaded the Gusty Gibbon DVD through Bit-torrent, and installed it onto the HDD. I had disconnected my main disk(SATA) completely, to avoid any accidents that sometimes happen. Installation went smoothly, and everything was fine... and then I restarted and ... Grub Error 21. Thats what it says, error 21... so I go online from the Ubuntu live CD (to lazy to switch HDDs) and find out that error 21 means that the disk is not there, or not found. So I decided to try something. I switched HDDs and went to my openSUSE install and then from inside the YaST control center I added the Ubuntu entry into my openSUSE GRUB menu.

Now I get to the GRUB menu just fine, but if I choose Ubuntu, I get 21 again.

What I believe the problem to be: My motherboard, the Asus P5B- WiFi/AP, uses the Intel P965 chipset, or one that doesn't have built in PATA support anymore. The PATA chip is a J-Micron.
I believe that because the BIOS/CMOS doesn't detect the disk, GRUB doesn't know where to link to, and because of that I can't boot onto it. Can anyone think of a work around? Will a different boot loader work? Any suggestions on what to do (other than go buy a SATA, because I have no money whatsoever to spare right now...)?

Thanks in advance
 
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