Pinout Diagram Exclusive Fixed: Am4
The AM4 pinout diagram represents one of the most versatile periods in PC history, supporting everything from 4-core Athlon chips to 16-core monster workstations. While we move toward the LGA 1718 (AM5) future, the AM4’s 1,331-pin PGA design remains a testament to efficient, high-performance engineering.
Typically routed to the primary PCIe x16 slot for discrete GPUs.
Forums like EEVblog often contain user-contributed, partial pin maps.
, meaning the pins are on the processor, not the motherboard. Total Pins Grid Dimensions : 39 x 39 (with specific missing pins for alignment) : 1.33mm (distance between pin centers) : Zero Insertion Force (ZIF) lever system 📍 Pinout Visualization ⚡ Major Signal Blocks am4 pinout diagram exclusive
| Pin Cluster | Pin Range | Signal Type | Critical Function | | :--- | :--- | :--- | :--- | | | A4-B7, Y26-AA30 | VDDCR_CPU | 1.2V – 1.5V Core voltage (Ryzen 9/7/5/3) | | SOC Power | G3-H8, T25-V28 | VDDCR_SOC | 1.05V – 1.2V for Infinity Fabric & iGPU | | Ground | D1-E4, P30-R32 | VSS | Return current path (Crucial for stability) | | PCIe x16 Gen4 | C12-C18, J20-K25 | TX/RX Lanes | GPU connection (Lane 0 to Lane 15) | | DDR4 Memory | L1-M10, N22-P24 | DQ, DQS, CA | Dual-channel DDR4 (2 DIMMs per channel) | | SMU / Control | A30-B32 | SVI2, PROCHOT | Voltage regulation & thermal throttling | | USB 3.2 Gen2 | E26-F28 | SSRX, SSTX | Rear panel Type-A & Type-C | | SATA / NVMe | U2-V8 | PCIe_aux | M.2 SSD or SATA express |
Are you troubleshooting a or looking to repair a bent pin ?
: VDDCR_CPU_SENSE and VDDCR_SOC_SENSE monitor voltage levels and are vital for stable power delivery. The AM4 pinout diagram represents one of the
As news of Alex's breakthroughs began to spread, whispers of the exclusive AM4 pinout diagram spread through the hardware community. Some claimed to have seen glimpses of the document, while others speculated about its authenticity.
When utilizing an AM4 Pinout Diagram for repairs—such as those described in MSI motherboard repair videos —be aware of the following:
: 4 lanes dedicated to high-speed M.2 solid-state drives. High-Speed I/O (PCIe/SATA)
Dedicated pins for Azalia high-definition audio interfaces, linking internal audio assets directly to onboard audio codecs. 5. Practical Use Cases for Pin Mapping Data
AM4 supports dual-channel DDR4 memory. The pins are clustered to ensure short, equal-length trace routing on the motherboard PCB.
The AM4 pinout is highly consolidated. The pins are divided into five primary functional categories: Power Delivery, Memory Routing, High-Speed I/O (PCIe/SATA), Display Outputs, and System Management.