ASRock B860M-C

Specifications

  • Manufacturer: ASRock
  • Chipset: B860
  • Socket: LGA1851
  • Form Factor: Micro ATX
  • DIMM Slots: 4
  • 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.

Resources

BIOS Update Notifications

Latest BIOS Version

Version:3.21
Release Date:2026-02-09

1. Update Intel Microcode 0x1212. Update Intel ME version. (19.0.5.2175)SHA256: 1c96d409ba1531a54ccfc950f025ae8a64a0ff8bf2e77e41e8092662b14de2ab

BIOS Release Notes Analysis

System Stability & Architecture

The firmware lifecycle begins with the v1.13 launch, establishing baseline support for the B860 platform. Update v1.15 integrates Microcode 0x114, which corrects Processor Power Management (PPM) logic to resolve frame-time spikes and latency issues in gaming workloads, alongside updates to the Management Engine (ME) and Graphics Output Protocol (GOP). This release also restores functionality to the Auto Driver Installer and improves general memory compatibility. Following this, v1.17 implements Intel Maintenance Release 1 (MR1) and Microcode 0x117, which enhances signal integrity for high-speed CUDIMM DDR5 memory and enables the DLRM state for storage power savings.

Performance Tuning & Latest Features

Mid-cycle development introduces v3.01[Beta], which resolves specific interoperability conflicts with Bluetooth audio devices and further refines memory training algorithms. Version v3.10 advances the platform by integrating Microcode 0x11A and Maintenance Release 4 (MR4), while updating the Intel ME firmware to build 19.0.5.2018. Subsequent optimization in v3.11 focuses on general system performance and stability. The most recent update, v3.12, prepares the socket for next-generation hardware by updating the Microcode and ME firmware to support upcoming processor architectures.

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