(E)mbedded (C)ontroller

ISO upgrade method

To upgrade your EC using the ISO method, you will need your Librem 14 charging and a USB drive you can completely erase:

See also

• Download the video

• Original blog post

Hardware upgrade method

Keeping your Librem 14 EC firmware updated is simple with the above ISO upgrade method. For those needing to recover or test development EC builds, this video will explain how to upgrade your EC with a chip programmer.

See also

• Download the video

• Original blog post

Embedded Controller chip on the left; BIOS on the right

EC-related software

• Librem EC firmware source code

  • For hints about usage and development, please see the Librem EC wiki

• coreboot

• ACPI Linux kernel driver

  • Used to get access to userspace settings in the EC like charge thresholds, programmable LEDs, etc.

Updating the EC firmware

• Using a Live ISO

• Using a Chip Programmer

Installing the EC ACPI Linux kernel driver

• Alpine Linux and derivatives: sudo apk add librem-ec

• Arch Linux and derivatives: yay -S librem-ec-acpi-dkms

• Fedora

• GUIX

• PureOS: sudo apt install librem-ec-acpi-dkms

• QubesOS