Hi, I was able to build with this patch (using nb51 mod, not Nitrocaster), and it generally works, with following caveats:

• can't start Windows with libgfxinit - it loads, but as soon as Intel GPU driver is installed the screen goes dark, there's also no output on other connectors
• display brightness doesn't work out-of-the-box, however there's a utility that takes care of that, so no biggie

I can start Windows if I compile with VGA option ROM, VESA framebuffer - which I can set to 1280x1024 (8:8:8) tops, this looks kinda ugly :( Windows will start booting with this resolution, and then switch to FullHD on login screen.

I've seen other people have compiled Coreboot with libgfxinit and can start Windows just fine, but all the reports I found were from plain X230, not X330. As far as I understand, libgfxinit uses only data.vbt to initialize GPU. On the other hand, (I might be wrong but) I believe data.vbt is where magic happens to disable LVDS? Or can I use "stock" data.vbt? This is where I'm starting to be lost.

Are you able to figure out how to have Windows and FullHD on boot (possibly with libgfxinit)?

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