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@@ -1122,6 +1122,32 @@ Are other operating systems compatible? Unknown. Probably not. +Does libreboot make my machine 100% free? +========================================== +Libreboot on all devices only provides host hardware init firmware images, +that can be written 25XX SPI NOR Flash. But on many systems there are +a lot more computers running blob firmware. +Some of them are not practicable to replace due to being located on Mask ROM. +Some devices have EC firmware being build as well. +Additionally, besides software components, there are hardware ones +(from ICs to boards) that are not released on OSHW licenses. +We do not have a single device that would be "100% free", +and such absolutes are nearly impossible to reach. + +Notable proprietary blobs (not a complete list): +* All devices + * SATA/PATA Hard Drive/Optical Disc Drive Firmware + ([often contain powerful ARM based computer]( + http://spritesmods.com/?art=hddhack&page=1)) + * Pendrives and any USB peripherals - they contain a computer + with code running to at the very least handle the USB protocol +* ThinkPads: + * EC Firmware (H8S until including Sandy Bridge, later ARC based MEC16xx) + * TrackPoint Firmware (8051) + * Penabled devices contain µPD78F0514 MCU on wacom subboard, + and Atmega (AVR) on led indicator/button board + * Battery BMS, bq8030 (CoolRISC C816) + Where can I learn more about electronics ========================================== |