Hi!
I had the same problems and only solved them this week!
You need to install the Warp3D version on the Mediator CD, its the only one compatible with the Mediator.
Also the Mediator CD when you first install the files installs the Warp3D drivers for the A4000 not the A1200, this is a problem with Elbox's install script.
Delete the following files:
> Libs:Warp3D/GFXdrivers/W3D_Picasso96.library - 4.2
> Libs:Warp3D/GFXdrivers/W3D_Picasso96_PPC.library - 4.2
> Libs:Warp3D/HWdrivers/W3D_AvengerBE.library - 4.2
> Libs:Warp3D/HWdrivers/W3D_AvengerBE_PPC.library - 4.2
> Libs:Warp3D/HWdrivers/W3D_AvengerLE.library - 4.2
> Libs:Warp3D/HWdrivers/W3D_AvengerLE_PPC.library - 4.2
And replace with:
Libs:Warp3d/GFXdrivers/W3D_Picasso96M_PPC.library v1.0
Libs:Warp3d/GFXdrivers/W3D_Picasso96MU.library v4.2
Libs:Warp3d/GFXdrivers/W3D_Picasso96M.library v4.2
Libs:Warp3d/HWdrivers/W3D_AvengerBEM.library v4.2
Libs:Warp3d/HWdrivers/W3D_AvengerBEM_PPC.library v4.2
Libs:Warp3d/HWdrivers/W3D_AvengerBEMU.library v4.2
Libs:Warp3d/HWdrivers/W3D_AvengerLEM.library v4.2
Libs:Warp3d/HWdrivers/W3D_AvengerLEM_PPC.library v4.2
Libs:Warp3d/HWdrivers/W3D_AvengerLEMU.library v4.2
Re run Mediator Config, now you can enjoy Warp3D :afro: