New tools let GeForce users modify VBIOS without flashing cards
The software supports RTX 30, 40 and 50 series cards on Windows and Linux, but its developer expects Nvidia to block the method in future drivers.
A developer has released software that allows owners of GeForce RTX 30, 40 and 50 series graphics cards to use modified VBIOS firmware without rewriting the card's flash memory. The package includes an editor supporting Windows and Linux, alongside a separate loader for each system.
Instead of replacing the firmware stored on the card, the tools make Nvidia's driver use a customized image. The Windows loader uses an existing driver override mechanism, while the Linux version modifies Nvidia's open kernel modules. The developer credits earlier research into firmware overrides.
Editable settings include power and voltage limits, clock offset ranges, current protections and fan controls. Blackwell cards support the complete selection; changes for Ada and Ampere cards are restricted to fields validated by the developer.
In the developer's testing, an RTX 5090 reached 800 W. An RTX 5080 went from 360 W to 500 W, while an RTX 5060 Ti went from 185 W to 300 W. The tools also allow reductions: the loader lowered an RTX A2000's minimum power setting to 5 W.
Avoiding a firmware write does not eliminate hardware risks. The cards' 12V-2x6 connector carries a 600 W rating, and RTX 5090 connector-melting incidents have been reported at stock settings. The developer also expects Nvidia will very likely close off the method in future driver updates.
