BIOS package for the Lenovo IdeaPad Flex 15, Quanta motherboard DA0ST6MB6E0, Rev E. At 6.57 MB it is about twice the size of other archives for this board, so it may contain more than one image or uncompressed content; review the files after extraction. Technicians use such dumps to rewrite the SPI BIOS chip with an external programmer. Match the board code and revision printed on the PCB, keep a full backup of the original chip, and confirm the chosen image size fits the flash.
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 @afsbiosfree. Enginerys does not host this file.
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →