Archive of conversion details for a board numbered DA0U92MB6D0, with AMD named as the platform or graphics vendor. The DA0 prefix with an MB suffix follows the Quanta motherboard numbering pattern. Quanta builds boards for several laptop brands. Conversion packages like this usually describe which parts to remove or bridge and which firmware to flash when changing a board's configuration. Read the included notes carefully, and confirm the PCB number and revision before modifying anything. Dump and keep the original BIOS before reprogramming the SPI chip.
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 @hrtechno. 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.