Issue 1: Final Cut Studio: Unexpected behavior with more than one graphics card.
Resoution: Although it is possible to add more than one graphics card and three or more displays to a Mac Pro configuration, this is not a recommended configuration for a Final Cut Studio workstation.
Click here to learn more: http://support.apple.com/kb/TS1828
Issue 2: Final Cut Pro 6: FxPlug rendering issues on earlier graphics cards.
Resolution: In some cases you can work around these issues by taking one or more of the following steps:
- Reduce render bit depth to 8-bit YUV in Sequence > Settings > Video Processing.
- Use a lower resolution for your project.
- If applicable, replace your graphics card with one that has more VRAM.
Click here to learn more: http://support.apple.com/kb/TS1867