I have two video adapters on my computer: ATI Radeon on AGP and a Datapah Savage4 on PCI (it has 4 output devices in only one PCI slot!). My problem is that on boot, my kernel takes a primary controller the PCI card, instead of AGP... in any case!!!

If I remove PCI card everything goes well!!!

My BIOS doesn't permit to select initial video controller... so I want to know if I can select it by kernel parameter or boot loader parameter...