BIOS for the Samsung NP550XDA laptop on the ALLROUND3 board at revision 1.3, described in the name as a working dump and packed in a RAR archive. A known-good image like this is used to reflash the SPI flash chip with a programmer when the laptop shows no display, a boot loop or corrupt firmware. Read and save the original chip first, since it may hold serial and network data that should be restored. Confirm the board revision and that the image size fits the chip capacity before writing.
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 →