8.00 MB BIOS binary for the Lenovo B590 notebook; no board number, revision or version appears in the name. The size matches a 64 Mbit SPI flash, which on Intel platforms usually holds descriptor, Management Engine and BIOS regions in one image. It is used to restore a board that does not post after corruption by writing the chip with a programmer. Read and keep the original first, since it contains the serial and system data, and check the chip is 8 MB before flashing.
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 →