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Query actual PCI-E Lanes

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John jenkins
Query actual PCI-E Lanes
on Aug 17, 2011 at 8:39:45 am

Hi all.

Using an X58 Chipset Motherboad with DeckLink Duo and/or Decklink Extreme 3D with NVidia GTX570/580.
We have several identical machines but are having a few issues outputting HD video on some of them.

It seems that swapping cards randomly from one PCI-E slot to another will eventually produce a working combination but that's not very conclusive (nor very scientific).

It would appear that at times the PCI-E slot is only running at 1X and not the expected 4X.
We've tried different driver versions but it doesn't solve the issue.

Is there some way either via a util or the API to query the PCI-E slot status/(number of lanes)?

Machine Specs:
P6X58D Premium
Intel i7960
6Gb Ram
Nvidia GTX570
Win7 Pro 64-bit

Tried Decklink 7.9.5 and 8.2 drivers.

Thanks

Regards

John


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