BIOS image in a ZIP archive for the touch-screen version of the Lenovo Flex 2-14d, LF145M board, Wistron number 13287-1, 2.46 MB compressed. Technicians write such dumps to the SPI flash chip with a programmer to recover a board that shows no display or loops at power-on. Dump and keep the original contents before erasing anything, and check that the binary size matches the chip capacity. The touch-screen variant is named here, so keep it apart from images for non-touch units.
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 @cidschematicandboardviewofficial. 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 →