These pins handle high-speed communication with your graphics card and NVMe SSDs. Most AM4 CPUs provide 24 PCIe lanes (16 for GPU, 4 for NVMe, and 4 for the chipset).
This includes the "Reset" pin, clock signals, and thermal monitoring pins that tell the motherboard how hot the CPU is running. How to Read the Diagram am4 pinout diagram
If a single VSS (Ground) pin snaps off, the CPU often continues to work perfectly because there are dozens of redundant ground pins. 4 for NVMe
The most frequent use case for a pinout diagram is . am4 pinout diagram
