Cyclone V GX - HARD IP PCIe - Reference Clock

Hello, please I want to use Cyclone V GX (5CGXFC5C6F23C7) and 2 pcs of its HARD IP PCIe. We have on PCB routed signals to two transceivers (GXB_0 and GXB_5) and clock signal to REFCLK1, but with b...