Cant install ubuntu 7.04 on Excelstor J880 SATA...

Question

I am new with ubuntu, but when I install ubuntu 7.04 on an ide harddrive I finish the installation without any problem, but when I try to install the same version in my new P.C. Ubuntu can't detect my SATA drive. I am using the Ubuntu 7.04 Live CD. My P.C. specs are the following:Processor : Intel Core 2 Duo 2.4, Motherboard: Asus P5VD2-VM SEHarddrive: ExcelStor J880s 80 GBOptical Drive: LG CD ROMthank very muchUbunt74