Another numbered copy of the ASUS K53SM BIOS for the version with a GeForce GT 630M and 2 GB of graphics memory. It is 4 MB, matching a 32 Mbit SPI chip. Comparing several copies helps a technician pick a clean one, since donor dumps can contain different serials or settings. Program it with an external flasher only on a board with the same discrete GPU, verify after writing, and keep the original chip contents saved in case a rollback is needed.
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 @abgm_manutencao_bios. Enginerys does not host this file.
How to open a .bin file
A raw, byte-for-byte image of a flash chip: the main BIOS / UEFI, the embedded-controller (EC) firmware, or both.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →