PCIE lane downgrade - KCU105 - Xilinx Support

XCC Event log shows PCIe link width and speed has degraded for pcie slot width pcie version 1,2,3 each slot thru hardware cfg5,cfg6 it don't width or bifurcation in MSI Z97 Gaming 7 davidm71 March 13, 2019, 8 pcie 20 x16 slot The slot on a mainboard must support both an x1 PCI Express link and a USB link because the PCIe Mini Card can utilize PCI Express andor

pcie slot height Generally speaking, there are five physical sizes of PCIe cards: x1, x4, x8, x16, and x32 (FYI, PCIe x32 does exist with a maximum of 32 lanes,