Gigabyte Z790 D AC (rev. 1.0)
Specifications
- Manufacturer: Gigabyte
- Chipset: Z790
- Socket: LGA1700
- Form Factor: ATX
- DIMM Slots: 4
- Color: Gray / 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.
Latest BIOS Version
Checksum : 4376 Improves platform security by making Secure Boot enabled as system default Update ADATA 6000 16G module support
BIOS Release Notes Analysis
Launch Stability & Compatibility
The platform launched with firmware version F1, establishing baseline system functionality and hardware recognition. Version F2 expanded processor compatibility to include the Intel Core i9-14900KS and updated the Intel APO framework to version 9.0.11405.42569. This update also optimized CEP (Current Excursion Protection) and power settings to refine voltage regulation and system stability under load.
Feature Maturity & Hardware Support
Version F3 implemented Intel Default Settings as the primary power profile, requiring manual intervention to enable alternative performance profiles. This release integrated Microcode 0x12B to address the root cause of Vmin Shift Instability by correcting elevated voltage requests during idle states, encompassing previous fixes for eTVB (0x125) and voltage spikes (0x129). Hardware support expanded in version F5 to include Intel 120/120F processors and the AI TOP Utility v4.1.1, while version F6 optimized compatibility for ADATA 6000 16G memory modules.
Critical Security & Power Management
Security protocols were significantly hardened in version F4d[Beta] and finalized in F4, which integrated Microcode 0x3A to resolve multiple vulnerabilities (including INTEL-SA-01153 and INTEL-SA-01224) and Microcode 0x12F to provide advanced mitigation for Vmin Shift Instability. Version F5 enhanced platform hardening by enabling Pre-boot DMA Protection, VT-d, and IOMMU by default, alongside a CSME update to version 16.1.38.2676v4.1. Finally, version F6 established Secure Boot as the system default to prevent unauthorized bootloaders.
ℹ️AI-synthesized summary derived from official changelogs and verified microcode specifications. Always verify with the manufacturer.