Firmware archive labelled for the ASUS GL552JX laptop, but the name also carries ET2012A-0504, which looks like an ASUS EeeTop ET2012A image at version 0504. The mix is not explained, so check the contents before use. The 1.65 MB RAR suits recovery by writing the SPI chip with a programmer. Inspect the extracted file size and internal strings, back up the original chip, and only write an image whose model and size match your board.
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 →