Firmware image of 8.00 MB for a Y50-70 laptop, which matches Lenovo's IdeaPad naming, marked as ok in the name. No board number or revision is stated, so check the motherboard identification on the PCB and the graphics configuration before flashing. The size corresponds to a 64 Mbit SPI flash chip. Use it to restore a corrupt BIOS with an external programmer. Save the original dump first so you can recover the serial number and other stored data.
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 @biosbigarchives. 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 →