The pins are arranged in a roughly rectangular grid, bordered by a notched corner (the alignment key) to ensure the CPU is oriented correctly.
If you see “Chipset not detected” in BIOS, a broken FCH link pin is often the culprit. am4 pinout diagram
The AM4 socket is used for AMD Ryzen processors and other compatible CPUs. Here is the pinout diagram for the AM4 socket: The pins are arranged in a roughly rectangular