BIOS archive for the ASUS X550WE laptop, mainboard revision 2.0, with the name noting a 4 MB image, matching a 32 Mbit SPI flash chip. It is used to reprogram the firmware chip with an external programmer when the notebook has no display, does not start or is stuck after a bad update. Confirm the revision printed on the PCB and the chip capacity before writing. Back up the existing contents first, as they may contain the serial number and other model-specific data.
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 →