GoKawiilNew tool lets RTX 30/40/50 owners run modified VBIOS without flashing hardware
A developer released a VBIOS editor plus Windows and Linux loaders that let GeForce RTX 30, 40 and 50 series owners run custom firmware without writing to the GPU's flash chip. On Windows the edited image is stored in the driver's registry key and loaded at GPU restart, while the Linux version patches Nvidia's open kernel modules to boot the GSP firmware from the custom image. The editor exposes controls such as power limits, voltage ceilings, clock offsets, current protections and fan settings, with examples including an RTX 5090 FE raised from a 600W to 700W power ceiling and an RTX 4090 pushed to 671W from 550W.
GoKawiil's interpretation of the reporting above, not reported fact.
By bypassing signed-firmware restrictions instead of cracking them, this approach could restore overclocking flexibility Nvidia has long restricted on GeForce cards, appealing to enthusiasts who want more control over power and voltage limits. However, because it depends on quirks in how the driver checks for VBIOS overrides, a future Nvidia driver update could close this workaround entirely, and pushing power limits well beyond stock ratings raises the same overheating and connector-safety concerns already seen on high-power RTX 40 and 50 series cards.
- A new VBIOS editor and loaders allow custom firmware on RTX 30/40/50 GPUs without flashing the hardware.
- Windows uses driver registry overrides while Linux patches Nvidia's open kernel modules to load custom images.
- Reported tests show significant power limit increases, such as an RTX 5090 reaching 800W, though the method could be disabled by future driver updates.
Source: techspot.com — Julio Franco, 2026-10-19
Published there as: “This mod lets Nvidia GeForce owners run a custom VBIOS without flashing the card”
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