Asus TUF GAMING B660M-PLUS WIFI D4
Specifications
- Manufacturer: Asus
- Chipset: B660
- Socket: LGA1700
- Form Factor: Micro ATX
- DIMM Slots: 4
- Color: Black / Orange
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 for the B660 platform began with version v0418, rapidly evolving to address memory and processor compatibility. Update v1003 stabilized DRAM performance, while v1203 expanded support to include Non-K 12th Gen CPUs. Support for the high-performance i9-12900KS was added in v1403, alongside Management Engine (ME) updates. The transition to 13th Gen architecture was established in v1620 and solidified in v2014, which also introduced support for Intel Arc graphics and enforced critical ME firmware version 16.1.25.1885v2. Compatibility for 14th Gen "Raptor Lake Refresh" processors arrived with v2604, which simultaneously resolved instability issues when configuring RAID arrays on high-capacity storage.
Feature Maturity & Hardware Support
Mid-cycle updates focused on refining system behavior and aligning with Intel's evolving power standards. Version v3202 integrated Microcode 0x123, enabling the option to disable Current Excursion Protection (CEP) to enhance performance on 14th Gen CPUs. This was followed by v3212, which redefined factory defaults to adhere to Intel Default Settings and introduced "Performance Preferences" to toggle between Intel-specified limits and ASUS Advanced OC profiles. Earlier optimizations in v2402 streamlined the BIOS and ME update mechanisms, while v3205 further tuned CEP behavior when disabled to balance thermal output with performance.
Critical Security & Power Management
Later revisions prioritized security hardening and mitigation of Vmin Shift Instability. Version v3010 patched the high-severity LogoFAIL vulnerability. To address Raptor Lake instability, v3401 deployed Microcode 0x125 to correct the eTVB algorithm, preventing unsafe frequency boosts. This was reinforced by v3403, which integrated Microcode 0x129 to implement a 1.55V voltage clamp. The root cause of voltage drift was addressed in v3410 and v3601 via Microcode 0x12B, which mitigates elevated voltage requests during idle states and enforces C1E. Finally, v3801 introduced Microcode 0x12F for advanced mitigation of Vmin Shift Instability, while v3811 updated 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.