PCIe Motherboard

PCI Express® Gen2Gen3 Signal Integrity, Switching and Bridging pcie slot configuration gen1 gen2 gen3 Any other pci slots occupied, have you checked pcie x16 bifurcation settings and pcie config gen 1 gen 2 gen 3 in the bios of the motherboard pcie slot splitter Try changing the bios settings for the slot you are using from what ever it is to GEN1

pciex16 slot I configure it to PCIe and X4 and learn to write PCIe driver But after insert into my PC's motherboard PCIe X16 slot, I saw it worked in