Multibridge Extreme (Blackmagicdecklink, component monitor and FCP settings

Final Cut 5.1.2
Mac OX X Dual Core Intel Xeon
3 Ghz
QT 7.1.3
Hello: Almost everytime I swicth back and forth between FCP output settings, FCP loses sync to my component monitor. Sometime, I have to restart my system 3 or 4 times to get it to work again. Other than purchasing an LCD monitor, any other tips. It also jumps abruptly when I go to my desktop. Any help would be greatly appreciated.
Thanks
Dual 1Ghz Power PC G4   Mac OS X (10.4.4)  

Make sure you have both intel firmware updates off of apple. Also please make sure that you have the latest Bmagic too http://www.blackmagic-design.com/downloads/software/MultibridgeMacintosh5.8.zip
I had TONS of crashes on my macpro prior to the firmware updates, afterwards rock solid performance. I still get the jumpiness between FCP and the desktop etc but that is to be expected.

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