MSI B450 TOMAHAWK
Specifications
- Manufacturer: MSI
- Chipset: B450
- Socket: AM4
- Form Factor: ATX
- DIMM Slots: 4
- Color: Black / Silver
Latest BIOS Version
- AGESA ComboAm4v2PI 1.2.0.F update. - Improved security by updating TPM firmware for better game compatibility. Attention: If you have enabled the BitLocker function, please back up your BitLocker recovery key before performing the BIOS update. Failure to do so may result in permanent inability to log in to the operating system after the update is completed.
BIOS Release Notes Analysis
Launch Stability & Compatibility
The initial firmware lifecycle focuses on stabilizing DDR4 memory and maturing support for early AM4 architectures. Version v11 integrates AGESA 1.0.0.4C to enhance memory compatibility, while v13 updates to AGESA 1.0.0.6, finalizing support for Summit Ridge and Pinnacle Ridge processors and enabling SATA hotplug functionality. A significant architectural shift occurs in v18, which implements ComboPI 1.0.0.3 to support Ryzen 3000 series processors; this update necessitates a transition to the GSE-Lite BIOS interface to accommodate the expanded microcode library within the ROM constraints.
Feature Maturity & Hardware Support
Post-launch optimization for Ryzen 3000 processors targets clock behavior and system initialization. Version v1C deploys AGESA 1.0.0.3abba, a critical patch that corrects boost algorithms to ensure CPUs reach their advertised single-core turbo frequencies. System boot times and PCI-E device interoperability are improved in v1D via AGESA 1.0.0.4 Patch B. Additionally, v1E updates the codebase to ComboAm4PI 1.0.0.6, specifically resolving HDMI audio signal loss observed when using AMD RX570 graphics cards.
Critical Security & Power Management
Recent updates transition to the ComboAm4v2PI codebase to address high-severity vulnerabilities and platform latency. Version v1I integrates AGESA 1.2.0.7, which eliminates fTPM Stuttering caused by TPM key validation latency and enables Secure Boot by default. Security hardening continues in v1J4[Beta], which utilizes AGESA 1.2.0.Ca to mitigate the LogoFAIL image parsing exploit and CVE-2024-36877. Version v1J5[Beta] applies AGESA 1.2.0.Cc to resolve the Sinkclose SMM lock bypass vulnerability. Most recently, v1J8[Beta] adopts AGESA 1.2.0.F, upgrading fTPM firmware to ensure compatibility with Windows 11 and modern anti-cheat systems.
ℹ️AI-synthesized summary derived from official changelogs and verified microcode specifications. Always verify with the manufacturer.
