@Olek,
post #12
Tu, na srodku strony pod "PCI Only Amigas":
http://hdrlab.org.nz/projects/amiga-os-4-projects/radeonhd-driver/radeonhd-card-recommendations-for-amigaos-4-x/
If you use a PCI-to-PCIe bridge card, get one with a PEX8112. The Radeon HD driver has code to optimise the settings of the PEX 8111 and 8112, but not other PCI-to-PCIe bridges. Plus, it supports blind-prefetching, which increases VRAM read access speed. Also, you will need a low-profile graphics card, or your card will be dangling over the edge, with connectors blocked by your case