The pins are arranged in a grid with specific "keying" (missing pins in certain corners) to ensure the CPU can only be inserted in one orientation. The spreadsheet typically mimics this grid, using coordinates (e.g., A1, AJ39) so users can physically locate a pin on the bottom of their processor by matching it to the digital map.
A large block of pins dedicated to communicating with RAM. These are sensitive to physical damage; a single bent pin here can "kill" a memory channel. AM4_Pinout.ods
It provides a visual representation of how modern "System on a Chip" (SoC) designs prioritize communication, showing how much physical space is dedicated to memory and PCIe compared to raw power. Technical Layout The pins are arranged in a grid with