Firmware image for the HP 15-bc438ur notebook, mainboard DAG35NMB8C0, intended for board ID 084F8, a different configuration from the 084ED variant of the same PCB. The numbering follows the Quanta pattern, so Quanta made the board for HP. The 7.08 MB RAR contains data for reprogramming the SPI BIOS chip with an external programmer. Check the board ID of your unit before choosing this file, save the original chip contents, and make sure the image size matches 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 .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 →