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Push the metal lever down and away from the socket, then lift it to a 90-degree angle. Lift the metal retention frame.
Match the gold triangle on the CPU perfectly with the triangle marking on the socket. Step 4: Drop-In Insertion (Zero Force)
High-speed lanes for graphics cards and NVMe storage.
is located in one corner of the CPU's top and bottom surfaces. Alignment: am4 pinout diagram install
Gently pull the pencil chassis toward a 90-degree vertical angle. Use minimal force to nudge the pin back into alignment with the surrounding grid row.
Houses lanes for PCIe layout, SATA storage links, and USB connectivity.
When removing the cooler, gently twist it back and forth while lifting. Do not pull straight up. Push the metal lever down and away from
These manage auxiliary connections like USB ports, SATA drives, audio components, and SMBus/I2C communication. 2. Step-by-Step AM4 CPU Installation Guide
Gently push the socket lever down until it clicks into the locking mechanism.
Locate the small metal arm on the side of the plastic AM4 socket. Gently press down on the lever, push it slightly outward to clear the plastic retention catch, and lift it all the way up until it stands perpendicular (at a 90-degree angle) to the motherboard. This action shifts the internal slider plates inside the socket, opening the 1,331 individual pin holes. Step 3: Locate the Alignment Triangles Step 4: Drop-In Insertion (Zero Force) High-speed lanes
Pins that supply electrical current directly to the CPU cores and the integrated graphics (on APUs).
By following the steps outlined in this guide—preparing your board, respecting the ZIF nature of the PGA socket, and using community resources for troubleshooting—you ensure that your hardware functions safely and efficiently. If you are looking for the official full technical documentation for board design, note that AMD generally restricts these resources to manufacturing partners, making community-sourced diagrams invaluable for individual enthusiasts. Now, with this knowledge in hand, you are ready to build or repair with confidence.
AM4 SOCKET TOP-DOWN ARCHITECTURE (1,331 PINS) A1 [ . . . . . . . . . . . . . . . . . . . . . ] A39 [ . . . . . . . . . . . . . . . . . . . . . ] [ . . [MISSING PINS / CORNER KEY] . . . . . ] [ . . . . . . . . . . . . . . . . . . . . . ] [ . . . . . . . . . . . . . . . . . . . . . ] [ . . . . . . . . . . . . . . . . . . . . . ] [ . . . . . . . . . . . . . . . . . . . . . ] [ . . . . . . . . . . . . . . . . . . . . . ] [ . . . . . . . . . . . . . . . . . . . . . ] [ . . . . . . . . . . . . . . . . . . . . . ] AN1[ . . . . . . . . . . . . . . . . . . . . . ] AN39 Functional Voltage and Signal Zones
Ground yourself by touching a grounded metal object before touching the CPU. Step 2: Open the ZIF Lever