BIOS firmware package for the Acer Spin 1 SP111-31 convertible, built around board number 16835-1M, a numbering pattern used by the ODM Wistron. The RAR archive is 3.74 MB and should contain the SPI flash image for this board. Technicians use it to reflash a corrupted BIOS chip with a hardware programmer when the machine fails to post or loops on boot. Confirm that the board number printed on the PCB matches, read and save the original chip first, and check that the image size equals the flash chip capacity 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 .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 →