Raw 8.00 MB firmware image labelled B50-80, most likely the Lenovo B50-80, with the Intel Management Engine region cleaned according to the clr me token. No board number or revision is stated, so confirm the mainboard before use. The size matches a 64 Mbit SPI chip, suitable for direct writing with a programmer to recover a board with corrupted BIOS or ME issues. Back up the existing chip first to preserve serial and MAC data, and make sure the flash capacity equals the image size.
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 .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 →