Lenovo Z570 BIOS dump of 4 MB, emphatically marked as OK, meaning it was reported as a working image. No motherboard number, revision or version is stated, so compare it with your board before use. A 4 MB image fits a 32 Mbit SPI flash and is written with an external programmer when a Z570 shows power but no display or stops booting after a failed update. Z570 boards exist in several variants, so check the PCB code, and always back up the chip contents before writing.
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 →