MSI PRO A620M-C EX

Specifications

  • Manufacturer: MSI
  • Chipset: A620
  • Socket: AM5
  • Form Factor: Micro ATX
  • DIMM Slots: 2
  • Color: Black

BIOS Update Status

  • AGESA 1.2.0.3C

    Improves high-density memory compatibility, allowing stable operation of 4x DIMM configurations and 256GB total capacity.

  • AGESA 1.2.7.0

    Major enablement patch for next-generation 2026 processors; updates the PSP firmware and improves USB compatibility.

  • AGESA 1.3.0.0

    Preliminary support for the next major AM5 architecture revision; includes significant security hardening and memory training overhauls.

Resources

BIOS Update Notifications

Latest BIOS Version

Version:7E15v1A8
Release Date:2026-03-24

- AGESA PI-1.3.0.0 updated. - Implemented the anti-cheat mechanism. - Improved PCIe-based devices compatibility under certain CPU or system combinations.

BIOS Release Notes Analysis

Launch Stability & Compatibility

The firmware lifecycle begins with version 7E15, establishing the baseline for the A620 platform. Update v7E15v11 integrates AGESA 1.1.0.2b to resolve STAPM power management issues specifically for Ryzen 8000 series processors, ensuring consistent performance states. This foundation is further stabilized in v7E15v12, which applies AGESA 1.1.0.2b Patch A to refine system behavior before the introduction of next-generation architectures.

Feature Maturity & Hardware Support

Support for Ryzen 9000 Granite Ridge processors is enabled in v7E15v13 via AGESA 1.1.7.0. Subsequent update v7E15v15 (AGESA 1.2.0.0a) introduces Curve Shaper to allow distinct undervolting across temperature states and adds Memory OC OTF capabilities. Version 7E15v16 optimizes core-to-core communication using AGESA 1.2.0.2 to reduce inter-core latency. Full support for Ryzen 9 9950X3D and 9900X3D processors arrives in v7E15v18, which utilizes AGESA 1.2.0.3a to optimize memory compatibility for single-rank 2DPC and dual-rank 1DPC configurations.

Critical Security & Power Management

Security hardening is a primary focus in v7E15v15, which patches CVE-2024-36877. The high-severity Sinkclose vulnerability is mitigated in v7E15v161[Beta] via AGESA 1.2.0.1. Update v7E15v17 implements AGESA 1.2.0.2b to introduce X3D Gaming Mode and Latency Killer for optimized thread scheduling while patching SMM vulnerabilities. High-density memory support reaches maturity in v7E15v1A1[Beta] (AGESA 1.2.0.3e), enabling 256GB (4x64GB) capacity and patching TPM vulnerabilities, while v7E15v19 resolves fTPM visibility bugs.

ℹ️AI-synthesized summary derived from official changelogs and verified microcode specifications. Always verify with the manufacturer.