Lenovo ThinkPad T430s BIOS image tied to board number 11971-1, supplied as a 4.86 MB ZIP. Five-digit numbers with a dash suffix follow the Wistron pattern, the ODM that built this ThinkPad. The image is written to the SPI flash with an external programmer to revive a board with corrupted firmware. ThinkPads store serial, UUID and security data in the chip, so read and keep the original first. Confirm the number on the PCB matches 11971-1 and that the file size equals the chip capacity.
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 .zip file
Compressed archive that every operating system opens without extra software.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →