Combined BIOS and EC firmware for the Lenovo IdeaPad B560, with the board referred to as LA56MB, delivered as a 1.81 MB zip archive. Having both images together helps when the laptop shows no power, no display or charging trouble caused by corrupted firmware. The main BIOS is written to the SPI flash with a programmer, while the EC part goes to the keyboard controller or shared flash depending on the design. Check the board label against LA56MB and dump the existing chips before overwriting them.
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 @biosarchive. 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 →