Gigabyte B650M S2H (rev. 1.4)
Specifications
- Manufacturer: Gigabyte
- Chipset: B650
- Socket: AM5
- Form Factor: Micro ATX
- DIMM Slots: 2
- Color: Black / Gray
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.
Latest BIOS Version
Checksum : DC65 Improve system compatibility for BitLocker when using a dGPU card and LED lighting function.
BIOS Release Notes Analysis
System Stability & Architecture
The firmware lifecycle begins with version F1, which integrates AGESA 1.2.0.3b PatchC to optimize gaming performance on dual-CCD Ryzen 7000 and 9000 series processors when paired with updated chipset drivers. This release also addresses the microcode signature verification vulnerability (CVE-2024-36347) for Ryzen 7000 and 8000 series silicon. Version F2 focuses on stabilizing memory signal integrity, while version F3 updates to AGESA 1.2.0.3e PatchA. This critical update enables support for new processors and mitigates the TPM Out-of-Bounds Read vulnerability (CVE-2025-2884), alongside extending CVE-2024-36347 protections to the Ryzen 9000 series.
Performance Tuning & Latest Features
Subsequent updates prioritize platform security and next-generation hardware readiness. Version F4 advances the architecture to AGESA 1.2.0.3g, enabling the AI TOP Utility v4.1.1 and establishing Secure Boot as the system default to harden the boot process. Following general compatibility improvements in version F5, the F6 update implements AGESA 1.2.8.0 to support upcoming Ryzen processors. This release specifically addresses the critical Hynix Rowhammer vulnerability (CVE-2025-6202) affecting specific DDR5 modules and further refines memory compatibility for high-density configurations.
ℹ️AI-synthesized summary derived from official changelogs and verified microcode specifications. Always verify with the manufacturer.
