Asus EX-B660M-V5-PRO-D4
Specifications
- Manufacturer: Asus
- Chipset: B660
- Socket: LGA1700
- Form Factor: Micro ATX
- DIMM Slots: 2
- Color: Red / 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
"Improve system’s stability. Updating this BIOS will simultaneously update the corresponding Intel ME to version 16.1.40.2765. 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 begins with v0403, followed by v1402 which integrates initial Microcode updates and Management Engine (ME) 16.0.15.17353. Update v2015 enables support for Intel Arc graphics and introduces a rollback restriction to maintain compatibility with ME firmware 16.1.25.1885v2. Support for 14th Gen processors is formalized in v2603, which also resolves specific instability issues affecting high-capacity RAID storage configurations. Early maintenance releases, including v2214 and v2403, optimize the BIOS update mechanism and refine system performance.
Feature Maturity & Hardware Support
Mid-cycle updates focus on security hardening and power compliance. Version 3010 patches the LogoFAIL vulnerability and updates the ME to version 16.1.30.2307v4. To align with updated processor specifications, v3212 implements Intel Default Settings, redefining factory defaults to strictly adhere to Intel power limits and introducing "Performance Preferences" for user tuning. Version 3604 addresses specific ethernet connection stability issues, while v2801 ensures comprehensive Microcode support for the 14th Gen architecture.
Critical Security & Power Management
Later revisions prioritize mitigating Vmin Shift Instability in 13th and 14th Gen processors. Version 3401 integrates Microcode 0x125 to correct eTVB algorithms, while v3403 applies Microcode 0x129 to clamp maximum voltage requests. The root cause is addressed in v3410 via Microcode 0x12B, which targets elevated idle voltages and enforces C1E states to reduce processor stress. Advanced protection against edge-case degradation is deployed in v3801 with Microcode 0x12F. Finally, v3812 updates the Management Engine to 16.1.35.2557 and implements cumulative security patches.
ℹ️AI-synthesized summary derived from official changelogs and verified microcode specifications. Always verify with the manufacturer.