This problem has to do with the JMicron controller on your motherboard. Get the daily ISO on Monday Apr 2 from http://cdimage.ubuntu.com/daily-live/current which will contain lib-ata fixes, boot from the CD and make sure all of your drives appear. If so, then we'll proceed from there.
This problem has to do with the JMicron controller on your motherboard. Get the daily ISO on Monday Apr 2 from http:// cdimage. ubuntu. com/daily- live/current which will contain lib-ata fixes, boot from the CD and make sure all of your drives appear. If so, then we'll proceed from there.