Compressed keyboard controller firmware, KBC being the common term for the embedded or keyboard controller that manages power-on, charging and the keyboard on laptops. The name gives no brand, model or board number, so its origin must be confirmed elsewhere. At about 36 KB it fits a small EC flash or an internal EC region. Use it only when the target board is positively identified, back up the existing EC contents first, and remember that a wrong EC image can leave a laptop with no power or no charging.
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 @vinafix_bios. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →