Asus TUF GAMING B660M-PLUS WIFI
Specifications
- Manufacturer: Asus
- Chipset: B660
- Socket: LGA1700
- Form Factor: Micro ATX
- DIMM Slots: 4
- Color: Yellow / Black
BIOS Update Status
- Microcode 0x129
Microcode update 0x129 addresses an issue where the processor may request high voltages, potentially leading to accelerated degradation.
- Microcode 0x12B
Microcode update 0x12B addresses elevated voltage requests by the processor during idle and/or light activity periods (includes 0x129).
- Microcode 0x12F
Microcode update 0x12F to further address processor degradation on systems with light activity.
Latest BIOS Version
"1. Improved system performance, stability, and device compatibility.2. Implemented security updates.3. Updated Management Engine (ME) to version 16.1.35.2557.Updating this BIOS will simultaneously update the corresponding Intel ME to version 16.1.35.2557. Please note after you update this BIOS, the ME version remains the updated one even if you roll back to an older BIOS later. "
BIOS Release Notes Analysis
Launch Stability & Compatibility
The firmware lifecycle began with foundational improvements to memory training and processor support. Updates v1003 and v1013 stabilized DRAM compatibility, while v1403 introduced support for the Intel Core i9-12900KS. Significant architectural updates arrived in v2012, which enabled support for Intel Arc graphics and enforced a rollback block to maintain compatibility with Management Engine (ME) version 16.1.25.1885v2. High-capacity memory support was expanded in v2212 to include 24GB and 48GB non-binary DDR5 modules. Version 2604 prepared the platform for 14th Gen processors and resolved specific instability issues when configuring RAID arrays on high-capacity storage drives.
Feature Maturity & Hardware Support
Mid-cycle updates focused on security hardening and power management refinement for 14th Gen architecture. Version 2802 finalized microcode support for 14th Gen CPUs, while v3010 mitigated the LogoFAIL vulnerability and updated the ME to 16.1.30.2307v4. Performance tuning capabilities were enhanced in v3202 via Microcode 0x123, which allows users to disable Current Excursion Protection (CEP) to optimize throughput at the cost of potential thermal increases. To address baseline stability, v3210 and v3212 introduced and refined Intel Default Settings, redefining factory power limits and replacing "Load Optimized Defaults" with strict adherence to Intel's validated power profiles.
Critical Security & Power Management
Recent firmware prioritizes mitigation of voltage-related degradation and Vmin Shift Instability. Version 3401 integrated Microcode 0x125 to correct eTVB algorithms that allowed unsafe frequency boosts. This was followed by v3403, which implemented Microcode 0x129 to enforce a hard voltage clamp at 1.55V. The root cause of voltage drift was addressed in v3410 and v3601 with Microcode 0x12B, which prevents elevated voltage requests during idle states and enforces C1E states to reduce processor stress. Continued protection is provided in v3801 via Microcode 0x12F, offering advanced mitigation for Vmin shift risks, while v3811 updates the Management Engine to version 16.1.35.2557 for long-term security maintenance.
ℹ️AI-synthesized summary derived from official changelogs and verified microcode specifications. Always verify with the manufacturer.