BIOS firmware linked to ASUS GL552JX and the ZX50X model name, which is a regional variant of the same ROG design. No board revision or flash chip is given, so open the 3.21 MB RAR and check the image size and any notes. Technicians use such dumps to recover a notebook that will not boot by programming the SPI chip directly. Confirm the PCB revision matches, back up the original contents, and verify that the image size corresponds to the chip capacity before flashing.
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 →