Asus ROG MAXIMUS Z790 EXTREME

Specifications

  • Manufacturer: Asus
  • Chipset: Z790
  • Socket: LGA1700
  • Form Factor: EATX
  • DIMM Slots: 4
  • Color: 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:3107
Release Date:2025-12-15

"1. Enhance overall system security.2. pdate the ME Firmware version to 16.1.38.2676.Updating this BIOS will simultaneously update the corresponding intel ME to version 16.1.38.2676.Please note after you update this BIOS, the ME version remains the updated one even if you roll back to an older BIOS later.Before running the USB BIOS Flashback tool, please rename the BIOS file (MZ790E.CAP) using BIOSRenamer."

BIOS Release Notes Analysis

Launch Stability & Compatibility

Initial firmware releases focused on platform initialization and validating high-density memory configurations. Version 0703 resolves driver resource conflicts with NVIDIA RTX40 series GPUs, while v0813 and v0816 introduce support for non-binary 24GB and 48GB DDR5 modules. Memory compatibility expanded further in v0904 to support DDR5-7200 kits, alongside Management Engine (ME) updates to 16.1.25.2124. Update v1202 prepares the architecture for Intel 14th Gen processors and resolves RAID configuration instability on high-capacity storage arrays.

Feature Maturity & Hardware Support

Mid-cycle updates optimized processor power management and memory capacity. Version 1402 integrates dedicated microcode for 14th Gen CPUs, while v1904 enables support for massive 256GB memory configurations. Update v2002 implements Microcode 0x123, allowing users to disable Current Excursion Protection (CEP) on non-K processors to prioritize performance over strict power throttling. To address stability on degrading silicon, v2202 introduces the Intel Baseline Profile, reverting power limits to factory defaults, which was later refined into Intel Default Settings in v2301 with granular Performance and Extreme profiles.

Critical Security & Power Management

Later firmware prioritizes security hardening and mitigations for Vmin Shift Instability. Version 1801 patches LogoFAIL vulnerabilities within the UEFI image parsing libraries. The mitigation sequence for Raptor Lake instability begins with v2402 (Microcode 0x125) fixing the eTVB algorithm, followed by v2503 (Microcode 0x129) which enforces a 1.55V voltage clamp. Version 2703 integrates Microcode 0x12B to address the root cause of elevated idle voltages, initially forcing C1E enabled, though v2801 restores the ability to toggle C1E. Finally, v3001 applies Microcode 0x12F for advanced voltage drift mitigation, and v3107 updates the ME firmware to 16.1.38.2676 for hardened security.

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