PCIe devices are designed to be backward compatible:
A represents a dual-simplepath communication path between two components. A Link is composed of one or more Lanes . pcie spec
The PCIe specification defines a high-speed interface standard for connecting peripherals to a computer's motherboard. With multiple generations and lane configurations, PCIe offers a scalable and flexible solution for various applications. Understanding the PCIe specification is essential for designing and developing compatible devices. PCIe devices are designed to be backward compatible: