MSI Z790 PROJECT ZERO

Specifications

  • Manufacturer: MSI
  • 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:7E23v19
Release Date:2025-08-12

– Modify security setting. – Fix Fan setting will be changed after selecting exit without saving. – Update ME FW v16.1.38.2676 - ME Firmware ver: ME_16.1.38.2676 (download) - ME Firmware update SOP

BIOS Release Notes Analysis

Launch Stability & Compatibility

The Z790 platform initializes with v10, rapidly maturing via v11 which enhances memory compatibility and updates the Management Engine (ME) firmware. Support for the Intel Core i9-14900KS is introduced in v121[Beta]. Version v12 integrates Microcode 0x123 to optimize performance by disabling CEP on 14th Gen B0 stepping processors, while simultaneously resolving system stability issues when operating in CSM mode.

Feature Maturity & Hardware Support

Mid-cycle updates prioritize adherence to Intel specifications, with v141[Beta] and v142[Beta] implementing Intel Default Settings to replace manufacturer-specific power profiles. Version v14 addresses critical thermal management errors by integrating Microcode 0x125 to fix the eTVB algorithm and patches security vulnerability CVE-2024-36877. This trajectory continues in v15 and v151[Beta], which deploy Microcode 0x129 to enforce a 1.55V voltage clamp, preventing physical degradation from excessive voltage requests.

Critical Security & Power Management

Long-term stability is solidified in v16, which incorporates Microcode 0x12B to address the root cause of Vmin Shift Instability by managing elevated idle voltage requests. Subsequent updates like v18 resolve non-volatile memory errors including DMI UUID loss after CMOS clearing. Advanced mitigation for voltage drift is tested in v191[Beta] via Microcode 0x12F, while the cumulative v19 release finalizes security configurations, corrects fan setting persistence bugs, and updates the ME firmware to version 16.1.38.2676.

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