Firmware for the Lenovo Z580 built on Quanta mainboard DALZ3AMB8E0, revision E, archived as 2.75 MB 7z. Quanta marks its boards with DA-prefixed codes, and the trailing revision letter should match the silkscreen before you flash. The image restores a corrupted or wrongly updated BIOS by writing the SPI chip directly with a hardware programmer. Save a dump of the original chip, including the board's own serial and licence data, and confirm the image size matches the chip.
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 @biosfiles. Enginerys does not host this file.
How to open a .7z file
High-ratio compressed archive, often used for large BIOS collections.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →