ASRock B450 Pro4
Specifications
- Manufacturer: ASRock
- Chipset: B450
- Socket: AM4
- Form Factor: ATX
- DIMM Slots: 4
- Color: Black / Silver
Latest BIOS Version
1. Update AGESA to ComboAM4v2 1.2.0.F.2. Update fTPM version.*Before performing the update, please make sure to back up your BitLocker key to avoid being unable to log in to the operating system afterwards.
BIOS Release Notes Analysis
Launch Stability & Compatibility
Initial firmware development focused on stabilizing the AM4 platform across multiple processor generations. Version 1.80 updates the codebase to AGESA 1.0.0.6, establishing final maturity for Summit Ridge and Pinnacle Ridge architectures. Support for Ryzen 3000 (Matisse) processors is introduced in v3.20 via AGESA 1.0.0.1, with subsequent optimizations in v3.40. A critical stability patch arrives in v3.60 (AGESA 1.0.0.3ABB), which fixes the RDRAND instruction bug that previously caused boot failures in Linux environments and Destiny 2. Additionally, v4.10 implements refined auto-rules for memory modules to improve training compatibility.
Feature Maturity & Hardware Support
Mid-cycle updates prioritize the enablement of Ryzen 5000 (Vermeer) and 5000 G-series processors starting with v4.50. Version 4.80 integrates AGESA 1.2.0.0, enabling Resizable BAR support to optimize GPU memory access. Connectivity stability is addressed in v5.00 (AGESA 1.2.0.2), which mitigates intermittent USB 2.0/3.0 dropout issues on 500-series chipsets. Official support for the Ryzen 7 5800X3D is established in vL5.22[Beta] via AGESA 1.2.0.6b, ensuring proper L3 V-Cache utilization. Furthermore, v5.60 resolves hardware detection conflicts to ensure compatibility with NVIDIA GeForce RTX 40 series GPUs.
Critical Security & Power Management
Recent firmware focuses on hardening the platform against high-severity vulnerabilities and refining power delivery. Version 5.31[Beta] updates to AGESA 1.2.0.7, resolving fTPM Stuttering issues in Windows by reducing TPM key validation latency. Version L8.02 (AGESA 1.2.0.8) unlocks native Curve Optimizer support for the 5800X3D. Security patches are deployed in v10.08[Beta] (AGESA 1.2.0.B) to mitigate LogoFAIL and Inception vulnerabilities. The critical Sinkclose SMM lock bypass exploit is patched in v10.31[Beta] via AGESA 1.2.0.Cc. Finally, v10.43[Beta] integrates AGESA 1.2.0.F to update fTPM firmware for improved Windows 11 anti-cheat compatibility.
ℹ️AI-synthesized summary derived from official changelogs and verified microcode specifications. Always verify with the manufacturer.
