Choose a motherboard that supports UEFI flashing using coreboot, avoiding Intel ME or AMD versions.
Choose a motherboard that supports UEFI flashing using coreboot, avoiding Intel ME or AMD versions.
The main challenge will likely be getting the UEFI burned with coreboot and locating the NSA backdoor software. Someone should suggest a suitable motherboard and build method to prepare a solid platform for your system. Everything else should work fine afterward. You’ve already flashed UEFI on a Chromebook, have Linux experience, and can follow most instructions.
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Even when attempting to turn off Intel ME or AMD PSP, it remains impossible to be certain the UEFI/BIOS is simply a non-functional switch that conceals these devices from users. To verify complete absence, you must completely remove them. This is feasible only with pre-2008 Intel systems or pre-2013 AMD platforms. Even then, proprietary elements within UEFI/BIOS firmware can still be present, so eliminate those as well. If possible, build coreboot without any embedded components. Ideally, use libreboot for ease. Supported options include the ASUS KCMA-D8 or ASUS KGPE-D16, which offer decent specs (64/128/256 GB RAM, 16/32 CPU cores) but require some workarounds and careful configuration. If speed isn’t a priority, consider an older ThinkPad model (e.g., X200, T400, T500/W500) and boot from it using libreboot. You’ll need external tools like a Raspberry Pi or Ch341A for BIOS programming, along with a DIP8 chip clip or socket.