Firmware for the HP ProBook 455 G6 with the Quanta DA0X9KMB8D0 mainboard, revision A. DA0 board codes followed by the project name are Quanta's numbering style, and Quanta manufactured this AMD-based HP notebook board. The 4.68 MB RAR is meant for SPI flash recovery with an external programmer when the machine will not boot or shows no image. Check that the PCB number and revision match, and dump the original chip first, as it contains unit-specific serial and configuration data that should be kept.
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 →