Warp3D acceleration works fine on Voodoo 4 and 5 using Warp3D drivers under AmigaOS 3.9. Some people have trouble getting the Voodoo 4 or 5 working at all on some setups. Everything works fine here with Voodoo4 + Mediator 3000T/4000T + CSMK3 68060 with P96.