HP laptop BIOS for model TPN-W121, Wistron board 15289-2, labelled 100 percent working in the name. Wistron identifies its boards with five-digit numbers followed by a dash suffix, and that code is printed on the PCB. The dump is written directly to the SPI flash chip with a hardware programmer to bring back a notebook that powers on without display or fails after a bad update. Match the board number first, check the image size against the chip, and read the original chip as a backup before erasing.
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 →