Just done messing up with bios write protection.   PchBiosWriteProtect BIOS lock 00 B2 FE 48 81 C1 DC => 00 B2 FF 48 81 C1 DC SMI lock 00 B2 20 48 81 C1 DC => 00 B2 00 48 81 C1 DC PchSpiRuntime 00 00 B2 FE B9 DC 80 => 00 00 B2 FF B9 DC 80 Checked on ther F.73 bios version. Unfortunately, in F.73 bios FDO hotkey is banned - nb just turns off right after start, so additional flash descriptor region edit is needed. Here is patched bios section binary for your needs. It contai
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