Firmware archive for the ASUS N56JN, with F1 and 203 in the name, most likely a BIOS version 203 for that model. No board revision is given, so compare the revision on the PCB with other dumps for this model. Files of this kind are used to rewrite a corrupted SPI flash or replace damaged firmware. An official update file may need conversion to a raw image before a programmer can write it, so check the size against the chip and keep a backup of the original contents.
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 .zip file
Compressed archive that every operating system opens without extra software.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →