Asus TUF GAMING B860M-PLUS

Specifications

  • Manufacturer: Asus
  • 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:3211
Release Date:2026-08-10

"1. Updated ME to version 19.0.11.2289v0.4 and GOP to 1069 2. Introduced the new AEMP Mix Tuning feature to enhance memory compatibility. 3. Optimized overall system stability and performanceUpdating this BIOS will simultaneously update the corresponding Intel ME to version 19.0.11.2289v0.4. The ME version will remain updated even if you roll back to an older BIOS later. We recommend using EZ Flash to update the BIOS, as it supports ZIP format and auto-updates the ME."

BIOS Release Notes Analysis

Launch Stability & Compatibility

Following the initial platform launch on v0407, update v0606 integrated Microcode 0x114 to resolve Processor Power Management (PPM) logic issues, effectively mitigating frame-time spikes and latency in gaming workloads. This version also enabled Wi-Fi 7 (320MHz) support and introduced CUDIMM Dual PLL mode to stabilize memory frequencies exceeding 6000MHz. System initialization was further refined in v0804, which updated the Silicon Initialization Code to v0D.00.CC.50 and implemented SA PCI Express L1 substates to optimize CPU link power management.

Feature Maturity & Hardware Support

Memory performance capabilities were expanded in v0805 and v1001, enabling AEMP III to support high-speed CUDIMM configurations up to 7000MT/s and massive 256GB capacities at 5600MT/s. Firmware v1203 and v1204 integrated Microcode 0x117, which enhances signal integrity for high-speed memory and enables the DLRM state to reduce storage power usage during idle periods. Additionally, v1207 introduced the DIMM Fit Pro feature to automate memory training and further improve system stability.

Critical Security & Power Management

Later maintenance releases, including v1406 and v1606, updated the Intel Management Engine (ME) to version 19.0.5.1992 to ensure broad device compatibility. Version 1801 updated the Intel microcode to 0x11a, while the significant v3002 update prepares the motherboard for future Intel Core Ultra processors. This version integrates Microcode 0x121 to update compatibility tables for future processor steppings and refreshes the AMI BIOS codebase to version 5.32 for enhanced security.

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