BIOS dump for the HP 15-CS3006TX notebook, board DAG7BLMB8D0, with the identifier BID086AA, labelled as tested OK and stored in a 7.54 MB RAR archive. The DA and MB8D0 pattern is Quanta's board numbering, so the motherboard is a Quanta design. A file like this is flashed directly to the SPI chip with a programmer when the laptop does not post or shows a corrupted firmware. Keep a copy of the original chip contents, compare image and chip sizes, and confirm the board number before writing.
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 @freeschematicdiagram. 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 →