Asus PRIME Z790-P

Specifications

  • Manufacturer: Asus
  • Chipset: Z790
  • 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.

Resources

BIOS Update Notifications

Latest BIOS Version

Version:1825
Release Date:2025-10-27

"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 initial release v0411 established the platform baseline, followed by iterative Management Engine (ME) firmware updates in v0602 and v0806 to stabilize system performance. Memory compatibility expanded significantly in v0809 and v0812, enabling support for non-binary 24GB/48GB modules and high-capacity DDR5 kits. Version 1205 introduced preliminary support for Intel Core 14th Gen processors and resolved RAID configuration instability for high-capacity storage arrays. Early security and stability maintenance concluded with v1220, which synchronized the ME firmware to v16.1.27.2176 to mitigate potential vulnerabilities.

Feature Maturity & Hardware Support

Firmware v1402 formalized support for 14th Gen architecture via updated microcode and ME v16.1.30.2264. Security hardening in v1604 patched the LogoFAIL vulnerability. Hardware expansion continued in v1611 with USB4 PCIe Gen4 card support and v1630, which enabled 256GB total system memory. Performance tuning began in v1641 with Microcode 0x123, allowing Current Excursion Protection (CEP) disablement for non-K CPUs. Subsequent updates v1656 and v1658 implemented Intel Default Settings, redefining factory power limits to align with Intel specifications and introducing the "Performance Preferences" switch.

Critical Security & Power Management

To address Raptor Lake instability, v1661 integrated Microcode 0x125 to correct eTVB algorithms, while v1663 applied Microcode 0x129 to clamp maximum VID requests at 1.55V. The mitigation strategy advanced in v1802 with Microcode 0x12B, targeting the root cause of Vmin Shift Instability by addressing elevated voltage requests during idle states, alongside the removal of the C1E disable option to enforce processor stress reduction. Continued hardening in v1820 deployed Microcode 0x12F to mitigate edge-case voltage drifts. The lifecycle concludes with v1825, delivering final security patches and updating the Management Engine to v16.1.35.2557.

ℹ️AI-synthesized summary derived from official changelogs and verified microcode specifications. Always verify with the manufacturer.