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Old 12-17-2009, 07:05 AM
drenkrom drenkrom is offline
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Join Date: Apr 2007
Location: Quebec
Posts: 393
Default Re: Original MacPro - Which PCI Slot

The PCIe PT cards are 1x so any additional lanes won't even be contacting the card. You don't specify what "video editing board" model you have, but I'd be inclined to give that the remaining 8x lane, as bandwidth is sure to be much more of an issue with that than with the Core card.

As any time you combine differing PCI cards in a computer, you may have to swap them around while troubleshooting if things go way wrong, but I haven't had to do this personally on a MacPro up to now and I've set up a few funky systems.

IHTH
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