Embedded controller firmware labelled GD3 EC, stored without a file extension and 2.00 MB in size. The name gives no brand, model or board number beyond the GD3 code. EC firmware handles power sequencing, keyboard, battery charging and fan control, so a corrupted EC can leave a board dead or not charging. Identify the EC chip or its flash on the board, confirm the board matches GD3, and back up the current contents before programming this image.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @bios_laptop. Enginerys does not host this file.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →