thinkpad-ec
Infrastructure for examining and patching Thinkpad embedded controller
thinkpad-ec is a community effort to study and patch the embedded controller (EC) firmware used in certain classic Lenovo ThinkPad models. The EC is a tiny microcontroller that governs low-level features such as keyboard scan codes, fan behavior, battery checks, and thermal policies—things the operating system can’t normally change. This project documents the EC’s layout and provides tooling to extract, analyze, and modify EC images so users can apply specific fixes or enhancements. ...