datasone / grub-mod-setup_var

A modified grub allowing tweaking hidden BIOS settings.

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Installation guide?

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I have reasonable question: what to do with these files?

Well, as said in the readme, this tool is intended to be used as a BIOS settings changer and only run when you need to. The usage guide link is outdated so I will update the readme to include relative information, you can also refer to this for an example.

Well, I don't think you can use this project to unlock the Descriptor Region as it may not be controlled by BIOS settings and differ widely between OEMs (e.g. For official ME firmware updates most laptops can update directly while Clevo laptops need to run a program first to reboot and unlock it, and some motherboards have a ME jumper locking this). So you should try to find the special way for your laptop/motherboard (maybe from modded BIOS) and then reflash.

P.S. Without success unlocking, Intel FPT (Flash Programming Tool) may help in some circumstances and SPI Programmer is the last resort as it directly writes into the BIOS chip and will not be limited by any other things.

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