BIOS image for a G485 laptop built on motherboard LA-8681P, a number following the Compal numbering scheme, the ODM behind many Lenovo IdeaPads. The raw binary is 4.00 MB, which fits a 32 Mbit SPI flash chip. Technicians write it with an external programmer to revive a board with corrupted firmware. Confirm that the PCB carries LA-8681P and the right revision, verify the chip size, and read and store the original contents before erasing the chip.
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.
How to open a .bin file
A raw, byte-for-byte image of a flash chip: the main BIOS / UEFI, the embedded-controller (EC) firmware, or both.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →