ASRock B860 Pro-A

Specifications

  • Manufacturer: ASRock
  • Chipset: B860
  • Socket: LGA1851
  • Form Factor: 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:3.32
Release Date:2026-07-20

1. Update Intel Microcode 0x1222. Update Intel ME version. (19.0.11.2289)3. Compatible with one sub-channel DRAM module.SHA256: 63bfd541c9f7c1f1ed66d32ebc539fc1eff38db06a7d0b161d2fee99ff5d8bd1

BIOS Release Notes Analysis

Launch Stability & Compatibility

Following the initial platform release in v1.09, firmware development focused on correcting early performance behaviors and installation logic. Update v1.13 integrates Microcode 0x114, which modifies Processor Power Management logic to resolve frame-time spikes and latency issues observed in gaming workloads. This version also rectifies the Auto Driver Installer function to ensure proper driver deployment and improves baseline memory training compatibility for initial DDR5 modules.

Feature Maturity & Hardware Support

Subsequent updates introduce specific architectural optimizations for distinct hardware configurations. Version 1.13.AS02[Beta] implements Microcode 0x116, designed to improve voltage regulation and reliability specifically for non-K (65W) Core Ultra SKUs. The release of v1.17 incorporates Microcode 0x117, which enhances signal integrity for high-speed CUDIMM DDR5 memory and enables the DLRM state to optimize storage power consumption. Peripheral interoperability is addressed in v1.19[Beta], which resolves audio stream compatibility with Bluetooth devices.

Critical Security & Power Management

Later revisions prioritize forward compatibility and management engine updates. Version 1.21 updates the system to Maintenance Release 4 (MR4) and Microcode 0x11A, alongside Intel ME version 19.0.5.2018. Support for next-generation silicon is established in v1.27, preparing the board for upcoming processor architectures. Finally, version 3.21 applies Microcode 0x121, which updates internal compatibility tables to support future Intel Core Ultra processor steppings and finalizes platform stability.

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