PCIEx16 drops to x 8 when M2 SSD is installed???

Expansion Slots: 1 x PCI Express x16 slot , integrated in the CPU: * For optimum performance, if only one PCI Express graphics card is

slot For instance, since the system only has a finite number of PCIe lanes, a motherboard with a higher number of PCIe expansion slots may have fewer M

m24 slot slot For instance, since the system only has a finite number of PCIe lanes, a motherboard with a higher number of PCIe expansion slots may have fewer M

m2 pcie slot If I reinstall the expansion board and use the NVMe in the first slot it boots and works fine, allowing me to install Proxmox However, it only