ASRock B860M Pro RS WiFi

Specifications

  • Manufacturer: ASRock
  • Chipset: B860
  • Socket: LGA1851
  • Form Factor: Micro ATX
  • DIMM Slots: 4
  • Color: Silver / 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:3.21
Release Date:2026-03-09

1. Update Intel Microcode 0x1212. Update Intel ME version. (19.0.5.2175)SHA256: 662914c4c3859ef54e1b296fec5a94bd55122e8e59b61fb6cb3b4db8b1f83708

BIOS Release Notes Analysis

Launch Stability & Compatibility

The platform initial release v1.11 established baseline support for the B860 chipset. Update v1.15 integrates Microcode 0x114 to resolve Processor Power Management logic errors causing latency spikes in gaming workloads, while also correcting the Auto Driver Installer function and updating the Graphics Output Protocol (GOP). Following this, v1.15.AS01[Beta] updates the Intel Management Engine to version 19.0.0.1895 and applies Microcode 0x116 to improve voltage regulation reliability specifically for non-K Core Ultra processors.

Feature Maturity & Hardware Support

Version v1.16 incorporates Intel Maintenance Release 1 (MR1) and Microcode 0x117, which optimizes signal integrity for high-speed CUDIMM memory and enables DLRM power states for storage efficiency. Extended peripheral support arrives in v1.18[Beta], which resolves Bluetooth audio compatibility issues and further refines memory training algorithms. Version v1.19 updates the UEFI visual theme to align with current interface standards.

Critical Security & Power Management

System architecture is updated in v1.21 with Intel Maintenance Release 4 (MR4) and Microcode 0x11A, alongside ME firmware 19.0.5.2018. Subsequent optimizations in v1.22 enhance general system stability and performance tuning. The lifecycle update v1.25 prepares the board for next-generation hardware by updating core Microcode and ME components to support upcoming processor iterations.

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