msi kt3 ultra and mandrake 9.1

[mimoiol 0]

I'm new with linux and I cannot install mandrake 9.1 on my pc (msi kt3 ultra ata133 raid 80gb 512MB). I have this message

 

An error occured

An error occured - no valid devices were found on which to create new filesystems. Please check your hardware for the cause of this problem.

 

 

So I obtain a list of componenet I selected ata raid, but I have the same error too!!

 

Can you help me??

[mephero 0]

try disable on board sound card.