Asus PRIME B860-PLUS
Specifications
- Manufacturer: Asus
- 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.
Latest BIOS Version
"1.Support for future Intel® Core™ Ultra series processors.2.Update AMI BIOS Codebase to version 5.32_9AACA_RC0D.00.05.10(6011.00)_213.3.Update Intel® ME firmware to version 19.0.5.2175v0.2 for enhanced platform stability.4.Update CPU Microcode to m_82_c0662_00000121 to improve processor performance and security.Updating this BIOS will simultaneously update the corresponding Intel ME to version 19.0.5.2175. 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 release in v0401, update v0606 integrates Microcode 0x114 to resolve Processor Power Management (PPM) logic issues, mitigating frame-time spikes and latency in gaming workloads. This version also enables Wi-Fi 7 (320MHz) and Wi-Fi 6E (6GHz) support for compatible regions and introduces IDI Data Transfer Mode for integrated graphics flexibility. System power management is further refined in v0802, which implements SA - PCI Express / L1 Substates to optimize CPU PCIe link power consumption and updates the Silicon Initialization Code to v0D.00.CC.50.
Feature Maturity & Hardware Support
Memory performance scaling is addressed in v0805 and v1001, which enable support for 256GB configurations at 5600MT/s and introduce AEMP III to support high-speed CUDIMM memory up to 7000MT/s. Updates v1203 and v1204 integrate Microcode 0x117, enhancing signal integrity for CUDIMM DDR5 modules and enabling DLRM states to reduce storage power draw during idle periods. Version 1402 introduces DIMM Fit Pro to further optimize memory training algorithms and compatibility.
Critical Security & Power Management
Long-term maintenance is established through v1405 and v1606, which update the Intel Management Engine (ME) to version 19.0.5.1992 to address security and stability vectors. Version 1802 updates the CPU Microcode to 0x11a. The most recent update, v3002, prepares the motherboard for future Intel Core Ultra processor steppings by integrating Microcode 0x121 and updating the AMI BIOS Codebase, ensuring forward compatibility and platform security alongside ME firmware 19.0.5.2175.
ℹ️AI-synthesized summary derived from official changelogs and verified microcode specifications. Always verify with the manufacturer.