MSI PRO Z790-S WIFI

Specifications

  • Manufacturer: MSI
  • Chipset: Z790
  • Socket: LGA1700
  • Form Factor: ATX
  • 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:7D88v1I
Release Date:2026-08-31

– Improved memory compatibility. - Updated ME firmware 16.1.42.2872 - ME Firmware ver: ME_16.1.42.2872 (download) - ME Firmware update SOP

BIOS Release Notes Analysis

Launch Stability & Compatibility

The PRO Z790-S WIFI platform lifecycle begins with v10, followed by iterative improvements to DDR5 memory training and compatibility across v11 through v15. Update v12 enables support for the exFAT file system, while v13 modifies Secure Boot parameters and updates M-Flash hotkey logic. Version v14 integrates the MSI Driver Utility Installer and refines "Memory Try It!" auto-rules to enhance stability with high-performance memory configurations. SATA device compatibility is further stabilized in v14.

Feature Maturity & Hardware Support

Firmware v16 enables support for 14th Gen processors and updates the microcode to resolve "UNSUPPORTED PROCESSOR" BSOD errors. Version v17 enables Intel Application Optimization (APO) and updates the Management Engine (ME) firmware to version 16.1.30.2264. To align with power specifications, v1A1[Beta] and v1A2[Beta] introduce Intel Default Settings, replacing vendor-specific power profiles with Intel-validated baselines while retaining optional performance tuning capabilities. Version v1D further refines memory compatibility for mature platform configurations.

Critical Security & Power Management

Addressing processor stability, v1A3[Beta] integrates Microcode 0x125 to patch eTVB algorithm errors that allowed unsafe frequency boosting. Updates v1B1[Beta] and v1B apply Microcode 0x129 to enforce a 1.55V voltage clamp, followed by v1C which incorporates Microcode 0x12B to resolve the root cause of Vmin Shift Instability. Advanced protection against voltage drift is added in v1G1[Beta] via Microcode 0x12F. Final maintenance release v1G corrects fan setting persistence issues and updates the ME Firmware to 16.1.38.2676, following the DMI UUID loss fix implemented in v1F.

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