MSI PRO B860M-B
Specifications
- Manufacturer: MSI
- Chipset: B860
- Socket: LGA1851
- Form Factor: Micro ATX
- DIMM Slots: 2
- Color: Black / Silver
BIOS Update Status
- Microcode 0x117
Contains Intel Maintainence Release 1.
- Microcode 0x11A
Performance and stability improvements with Intel Maintainence Release 4 (MR4).
- Microcode 0x121
Updates compatibility tables for future Intel Core Ultra processor steppings and improves system stability.
Latest BIOS Version
- Improve Memory compatibility. - Modify memory OC rule.
BIOS Release Notes Analysis
System Stability & Architecture
The firmware lifecycle initiates with version v1A10, establishing the baseline functionality for the PRO B860M-B. Significant architectural maturity is achieved in version v1A20, which integrates Intel MR3 (Maintenance Release 3). By deploying Microcode 0x118, this update stabilizes the platform for Ultra Turbo Mode and Intel 200S Boost performance states. Additionally, v1A20 updates the Graphics Output Protocol (GOP) and resolves display setting conflicts to ensure consistent video initialization.
Performance Tuning & Latest Features
Mid-cycle updates in version v1A30 focus on peripheral management, enhancing MultiMonitor support and modifying security settings to harden the system configuration. The latest release, v1A40, targets the memory subsystem by refining memory compatibility and modifying overclocking rules, optimizing signal integrity for high-speed DDR5 operation.
ℹ️AI-synthesized summary derived from official changelogs and verified microcode specifications. Always verify with the manufacturer.