Firmware archive for the Lenovo S2 on board DA0PS9MB8E0, with a 25Q128FV flash chip named, a 128 Mbit (16 MB) SPI part. The DA0xxxMBxx0 numbering is used by Quanta, the ODM behind this board. The 5.12 MB RAR should hold an image sized for that chip. Program it with a CH341A-type or similar tool after confirming the board number on the PCB and the chip marking. Read and save the existing contents first, and make sure the image is exactly 16 MB.
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 →