MSI PRO B860M-VC WIFI

Specifications

  • Manufacturer: MSI
  • Chipset: B860
  • Socket: LGA1851
  • Form Factor: Micro ATX
  • DIMM Slots: 4
  • Color: Black

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.

Resources

BIOS Update Notifications

Latest BIOS Version

Version:7E42v1A90
Release Date:2026-04-14

- Support new model "PRO B860M-VC WIFI6E II".

BIOS Release Notes Analysis

Launch Stability & Compatibility

The platform launched with firmware v1A10, establishing the initial baseline for the B860 chipset. Version v1A20 integrates Microcode 0x114, which addresses critical Processor Power Management (PPM) logic to resolve frame-time spikes and latency issues in gaming workloads. Update v1A30 advances the Management Engine (ME) firmware to version 19.0.0.1854 and implements Intel Planned Release 5 (PR5). This version ensures synchronized compatibility with updated Intel Application Optimization (APO) and Dynamic Tuning Technology (DTT) drivers for optimized thermal and power resource allocation.

Feature Maturity & Hardware Support

Version v1A31 targets memory density and CPU reliability, enabling support for single 64GB memory modules and improving voltage regulation for non-K processor SKUs. Firmware updates v1A33 and v1A40 implement Intel Maintenance Release 1 (MR1) and update the ESA module to refine system architecture. Version v1A50 integrates Intel MR3 (Maintenance Release 3), which stabilizes the platform for Ultra Turbo Mode and Intel 200S Boost features as defined in the technical specifications, while simultaneously resolving display setting conflicts.

Critical Security & Power Management

Version v1A60 updates the Graphics Output Protocol (GOP) and enhances MultiMonitor support for complex display configurations. This release also modifies system security settings and updates the CPU Microcode to the latest revision to maintain platform integrity. The subsequent release, v1A70, modifies memory overclocking rules to improve signal integrity and compatibility across a broader range of DDR5 configurations.

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