Gigabyte B650M GAMING X AX (rev. 1.3)

Specifications

  • Manufacturer: Gigabyte
  • Chipset: B650
  • Socket: AM5
  • Form Factor: Micro ATX
  • DIMM Slots: 4
  • 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:FC2
Release Date:2026-05-21

Checksum: 0C35 Update AMD AGESA 1.3.0.1 AMD EXPO™ Technology: Featuring Ultra Low Latency support

BIOS Release Notes Analysis

Launch Stability & Compatibility

The firmware lifecycle began with version FA (AGESA 1.0.0.6), establishing baseline DDR5 training algorithms. Update vFB integrated AGESA 1.0.0.7c to significantly improve high-speed memory compatibility and enable GIGABYTE BIOS settings within HWiNFO64. Support for Ryzen 8000 "Hawk Point" APUs was introduced in vFA1 via AGESA 1.1.0.1. This architecture update was immediately followed by vFA2, which patched the critical LogoFAIL UEFI vulnerability. Performance tuning for the Ryzen 8000 series continued in vFA4 (AGESA 1.1.0.2b), which disabled STAPM defaults to optimize sustained power delivery.

Feature Maturity & Hardware Support

Major platform expansion commenced with vFB1 (AGESA 1.1.7.0), enabling initial support for Ryzen 9000 "Granite Ridge" processors. Update vFB2 (AGESA 1.2.0.0a) introduced Curve Shaper technology for granular voltage/frequency control. The firmware evolved to support Ryzen 9000 X3D variants in versions vFB3d through vFB3f (AGESA 1.2.0.2a), adding X3D Turbo Mode to reduce latency in gaming workloads. Further optimizations in vFB3g (AGESA 1.2.0.2b) implemented "Zen5 Gaming Optimizations" for improved thread scheduling. Updates vFB3i through vFB4 (AGESA 1.2.0.3a) refined 2CCD latency performance and enhanced PCIe signal integrity. Finally, vFB9 prepares the board for next-generation processors via AGESA 1.2.8.0.

Critical Security & Power Management

Security hardening is a primary focus of the later revisions. Version vFB3a (AGESA 1.2.0.1a) mitigates the high-severity Sinkclose SMM Lock Bypass vulnerability, while vFB3b introduces a one-click 105W TDP mode to unlock thermal headroom. Updates vFB4 and vFB6 address the AMD CPU microcode signature verification vulnerability (CVE-2024-36347). Additionally, vFB6 (AGESA 1.2.0.3e) resolves the TPM 2.0 out-of-bounds read flaw (CVE-2025-2884). The update history concludes with vFB9, which patches the critical Hynix Rowhammer vulnerability (CVE-2025-6202) affecting specific DDR5 modules.

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