handle the communication between your CPU and RAM. If these pins are bent, you'll likely lose one of your dual-channel memory slots. PCIe Lanes: AM4 supports up to 24 PCIe lanes
Powers the System-on-Chip (SoC) elements, including the integrated graphics (iGPU) and PCIe controllers.
If you bend a pin, knowing its function helps determine the risk. A bent VSS (Ground) pin is often redundant and might not cause a failure, whereas a bent Memory Channel pin will result in a "dead" RAM slot. am4 pinout diagram exclusive
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P_GPP_TXP/N[3:0] : General Purpose Ports (GPP) for NVMe drives or other high-speed peripherals. : USB_SS_1TX/RX : SuperSpeed USB transmit and receive lines. handle the communication between your CPU and RAM
: Official, full-scale pinmaps and IBIS models are typically restricted to AMD Developer Central
Imagine the CPU oriented with the golden triangle in the bottom-left corner. Pins are numbered A1 through A32 (rows) and 1 through 32 (columns). If you bend a pin, knowing its function
| | Description | Key Applications | | :--- | :--- | :--- | | AM4 Pinout Reoriented.svg | High-resolution, color-coded SVG pin layout from GitHub. | Ideal for high-resolution visual reference, PCB design, and community sharing. | | AM4 Pin List.pdf | Comprehensive PDF list of all 1331 pins with labels. | The definitive source for precise pin identification. | | Wikichip OPGA-1331 Diagram | Official, high-quality SVG diagram from a reliable source. | An authoritative, straightforward visual of the socket pin layout. | | Reddit’s "Leaked" Pinout Table & Diagrams | Community-compiled Google Sheet and annotated Imgur diagrams. | Versatile for damage assessment and visual troubleshooting. | | Pin Description.pdf (Google Drive) | Detailed functional description of pins, shared on LTT forums. | Understanding the specific roles of power, ground, and data pins. | | AM4 Socket Measurements Detailed.pdf | Mechanical drawings and keep-out zones for motherboard design. | Essential for professional-grade hardware design and compatibility. |
: Includes dedicated pins for USB_SS (SuperSpeed) and DP/HDMI outputs for APUs with integrated graphics. Monitoring & Control :