A developer named Panchovix has released three new tools allowing NVIDIA GeForce RTX 30, 40, and 50-series users to modify and load custom VBIOS settings without flashing the card’s physical memory. The suite includes a cross-platform VBIOS editor and separate loaders for Windows and Linux. Unlike previous methods that bypassed NVIDIA’s signature lock for crossflashing, this approach avoids flashing entirely by storing overrides in the driver registry on Windows or patching open kernel modules on Linux.
The tools enable adjustments to power limits, voltage ceilings, current limits, fan curves, and clock offsets. Testing on an RTX 5090 Founders Edition raised the board power ceiling from 600W to 700W and voltage from 1,110mV to 1,150mV. An RTX 4090 saw its limit jump from 550W to 671W in practice, with offsets doubled to +2,000 MHz. Other cards like the RTX 5080 and RTX 5060 Ti also showed significant power increases. Laptop GPUs and memory timing edits remain unsupported due to hardware constraints.
Source: TechPowerUp News · Summarized by HeadlinesBriefing