Gigabyte A520M DS3H AC

Specifications

  • Manufacturer: Gigabyte
  • Chipset: A520
  • Socket: AM4
  • Form Factor: Micro ATX
  • DIMM Slots: 4
  • Color: Black

Resources

BIOS Update Notifications

Latest BIOS Version

Version:F23c
Release Date:2026-08-18

Checksum: EBF8 Update AM4 AGESA ComboV2 1.2.0.12 Fix AMD TPM Reference Code Errata (CVE-2026-6726, CVE-2026-6727)

BIOS Release Notes Analysis

Launch Stability & Compatibility

The firmware lifecycle begins with vF1, establishing platform stability via AGESA ComboV2 1.0.0.2 and patching SMM Callout Privilege Escalation vulnerabilities. Support for Ryzen 5000 series processors is enabled in vF10 through the integration of AGESA 1.0.8.1. Version F12 updates the codebase to AGESA 1.1.0.0 D, introducing Smart Access Memory (Re-Size BAR) support and resolving USB 2.0 connectivity instability on hubs. The initial compatibility phase concludes with vF13, which deploys AGESA 1.2.0.3 B to support Ryzen 5000 G-Series APUs.

Feature Maturity & Hardware Support

Mid-cycle updates focus on architectural maturity and Windows 11 compliance. Version F14 implements AGESA 1.2.0.5, introducing Capsule BIOS security measures and enabling fTPM by default. Official support for the Ryzen 7 5800X3D is added in vF15a via AGESA 1.2.0.6 B, which also restores the Max CPU Boost Clock Override option. Version F15 updates to AGESA 1.2.0.7, resolving the widespread fTPM stuttering issue affecting Windows environments. Subsequent updates vF17 and vF18 utilize AGESA 1.2.0.8 to unlock native Curve Optimizer support for the 5800X3D and mitigate download assistant vulnerabilities identified by Eclypsium Research.

Critical Security & Power Management

Recent firmware prioritizes hardening against high-severity CVEs. Version F20 integrates AGESA 1.2.0.B to mitigate the LogoFAIL UEFI image parsing vulnerability. The critical Sinkclose SMM Lock Bypass exploit is resolved in vF21d via AGESA 1.2.0.Cc. Version F21g updates to AGESA 1.2.0.E to address CVE-2024-36347 regarding microcode signature verification. Finally, versions F21h through F22 standardize on AGESA 1.2.0.F, patching the TPM 2.0 out-of-bounds read vulnerability (CVE-2025-2884) and updating TPM-B firmware for broad CPU compatibility.

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