Asus PRIME H770-PLUS
Specifications
- Manufacturer: Asus
- Chipset: H770
- Socket: LGA1700
- Form Factor: ATX
- DIMM Slots: 4
- Color: Silver / 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
Initial firmware v1003 established the platform baseline, quickly followed by v1205 which introduced preliminary support for Intel 14th Gen processors and resolved high-capacity RAID configuration conflicts. Memory subsystem maturity improved significantly in v1630, enabling support for high-density 256GB DDR5 configurations, while v1612 expanded connectivity to include support for USB4 PCIe Gen4 add-in cards. Early lifecycle updates also focused on Management Engine synchronization, with v1220 addressing potential security vulnerabilities and v1210 optimizing memory training algorithms.
Feature Maturity & Hardware Support
Official architectural support for Intel 14th Gen processors was finalized in v1402, which updated the Management Engine to version 16.1.30.2264v2. Critical security hardening in v1604 patched the LogoFAIL vulnerability. Performance tuning capabilities expanded in v1641 with the integration of Microcode 0x123, allowing users to disable Current Excursion Protection (CEP) to optimize thermal throttling behavior. Subsequent updates v1656 and v1658 standardized power delivery by implementing Intel Default Settings, redefining factory defaults to align with Intel's validated power profiles and introducing explicit performance preference toggles.
Critical Security & Power Management
A series of critical microcode updates address Vmin Shift Instability on 13th and 14th Gen processors. Version 1661 integrated Microcode 0x125 to correct eTVB algorithms, while v1663 implemented Microcode 0x129 to clamp maximum VID requests at 1.55V. The root cause fix for elevated idle voltages arrived in v1666 and v1805 via Microcode 0x12B, which also permanently enforced C1E states to reduce processor stress. Continued mitigation efforts in v1820 introduced Microcode 0x12F to address edge-case voltage drifts, with final system hardening provided in v1825 through Management Engine firmware 16.1.35.2557.
ℹ️AI-synthesized summary derived from official changelogs and verified microcode specifications. Always verify with the manufacturer.