Install of 7.3 and Maxtor IDE cards

I am trying to install 7.3 on a 20 GB drive in a Dell Optiplex XM590. This system only recoginzes 8 GB of the drive with its build-in IDE controllers so I installed a Maxtor Ultra ATA/100 PCI IDE controller and turned off the internal controllers. The BIOS on the controller card recognizes the Hard drive and CD/Rom drive. However, the SuSE install program finds neither the CD/ROM or hard drive. Did not find anything in the SuSE Support DB. Any ideas for a solution are appreciated. Robert robertc@mindspring.com