ASRock Z790M PG LIGHTNING/D4

Specifications

  • Manufacturer: ASRock
  • Chipset: Z790
  • Socket: LGA1700
  • Form Factor: Micro 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:16.01
Release Date:2025-10-21

Optimized system compatibility.

BIOS Release Notes Analysis

Launch Stability & Compatibility

The firmware lifecycle began with v1.15, followed by iterative stability patches in v2.07 and v3.07 that enhanced DDR4 memory compatibility and optimized processor voltage settings. Subsequent updates v5.03 and v6.04 integrated newer Intel Management Engine (ME) firmware and Microcode revisions to refine system behavior during boot. A significant architectural update arrived in v7.02, which introduced support for next-generation processors and updated the Graphics Output Protocol (GOP), preparing the Z790 platform for Intel's 14th Gen hardware integration.

Feature Maturity & Hardware Support

Versions v8.05 and v8.06 finalized support for 14th Gen processors, introducing a dedicated CPU Indicator utility for K-series SKUs. Security hardening was prioritized in v9.04, which patched UEFI image parsing vulnerabilities to mitigate LogoFAIL. Functional enhancements continued in v10.07, which enabled support for Intel Application Optimization (APO) on 12th and 13th Gen Core processors. Addressing early stability concerns, v11.05 enforced Intel Default Settings for K-series SKUs, establishing a safer baseline for power limits and thermal management prior to microcode-level interventions.

Critical Security & Power Management

Recent firmware focuses on mitigating physical degradation risks for 13th and 14th Gen processors. Version v12.02 integrates Microcode 0x125 to correct eTVB algorithm errors that allowed unsafe frequency boosts at high temperatures. This protection was reinforced in v13.01 with Microcode 0x129, which implements a hard voltage clamp to restrict processor requests above 1.55V. Version v14.01 delivers Microcode 0x12B, addressing the root cause of Vmin Shift Instability by fixing elevated voltage requests during idle states. Finally, v15.04 updates to Microcode 0x12F to provide advanced mitigation against "Always On" degradation risks, while v16.01 further optimizes general system compatibility.

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