BIOS and EC firmware for an HP 15 series laptop with motherboard DAG7BJMB8C0, a number that follows Quanta's DA-prefixed naming scheme, packed in a 13.4 MB RAR archive. The name states a 16MB flash chip, so the main image should match a 128Mbit SPI part. Technicians use such a set to revive a dead or looping board, or to fix EC-related power and charging faults. Read the existing chips before writing, keep the backups safe, and confirm the board number on the PCB matches.
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 →