HP BIOS archive identified only by the code 12239-1N and marked as working; the name gives no model, and no board scheme was confirmed for the number. The code resembles Wistron-style board numbering, so compare it carefully with the label on the PCB before use. The 3.68 MB RAR probably holds a small image for an older SPI chip. Check that the extracted size matches the chip capacity and keep a backup of the original firmware before programming.
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 @schematiclaptopramkushwaha. 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 →