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Started by Reptarr | | 0 answers
ASUS Z9PE-D8 WS problem with dual PCIe 3.0 x16
Hello Everyone,

I have an ASUS Z9PE-D8 WS motherboard with dual Xeon 2620 CPUs, dual Quadro K6000, and one GTX Titan Black. I have populated the GPUs in the following PCIe arrangement:

PCIe slot 1 - Quadro K6000
PCIe slot 3 - Quadro K6000
PCIe slot 5 - GTX Titan Black

All the other PCIe slots are empty. The specifications for the expansion slots of this motherboard are:

PCIE 1,3 - CPU 1,x16
PCIE 5,7 - CPU 2,x16
PCIE 6 - CPU 2,x8
PCIE 2,4 - CPU 2,x8

Therefore according to the specs, all three cards should be running in x16 mode. However, one of the Quadro K6000's is running in x8 mode. The other Quadro and the GTX Titan Black are running at PCIE 3.0 x16.

Can anyone tell me what might be happening, or a way I can debug these two issues?

Thank you for your help.
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