ASRock B860 Pro RS

Specifications

  • Manufacturer: ASRock
  • Chipset: B860
  • Socket: LGA1851
  • Form Factor: 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:3.22
Release Date:2026-02-12

1. Enhanced USB Type C device compatibility.SHA256: 2a5d51146bbbdb3d59e794b3a7464eac30fd093e0abf9df413b1a2f059bd1a5e

BIOS Release Notes Analysis

Launch Stability & Compatibility

The firmware lifecycle for the ASRock B860 Pro RS begins with the initial release v1.09, establishing baseline support for the LGA1851 platform. Early post-launch development in update v1.13 integrates Intel Microcode 0x114, which corrects Processor Power Management (PPM) logic to mitigate frame-time spikes and latency issues in gaming workloads. This version also updates the Management Engine (ME) and Graphics Output Protocol (GOP) while resolving specific functionality failures within the Auto Driver Installer and improving initial memory training margins.

Feature Maturity & Hardware Support

Mid-cycle updates focus on specific SKU optimization and memory architecture enhancements. Version v1.13.AS02[Beta] introduces Microcode 0x116, designed to improve voltage regulation and reliability specifically for non-K Core Ultra processors. Following this, v1.17 implements Microcode 0x117 alongside Intel Maintenance Release 1 (MR1), which enhances signal integrity for high-speed CUDIMM memory modules and enables the DLRM state for improved storage power efficiency. Peripheral interoperability is addressed in v1.19[Beta], which resolves specific compatibility conflicts with Bluetooth audio devices.

Critical Security & Power Management

Later revisions prioritize platform longevity and forward compatibility with next-generation silicon. Version v1.21 integrates Intel Maintenance Release 4 (MR4) and Microcode 0x11A, alongside Management Engine update 19.0.5.2018, to stabilize system performance. Support for upcoming processor architectures is formalized in v1.27. The most recent update, v3.21, deploys Microcode 0x121 to update compatibility tables for future processor steppings and upgrades the Management Engine to version 19.0.5.2175, finalizing the platform's readiness for refreshed hardware.

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