Binary firmware of 8.00 MB named for an S20-30, most likely the Lenovo IdeaPad S20-30, although the brand is not stated. The big and ok tokens suggest a full-size dump reported as working. No board number or revision appears. The size matches a 64 Mbit SPI chip. Before programming, confirm the motherboard model on the PCB and inspect the image for model strings, then back up the existing chip so the original state can be restored.
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 →