Firmware for the ASUS X61Sf, linked in the name to the N60SF board at revision 2.0, compressed in a 626 KB 7z archive. Small dumps like this usually belong to older laptops with low-capacity BIOS chips. Use 7-Zip to extract it, then write it with a programmer to revive a board with corrupted firmware. Verify that the board label and revision on the PCB match, keep a backup of the existing chip, and check the image size against the flash part.
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 @biosfiles. Enginerys does not host this file.
How to open a .7z file
High-ratio compressed archive, often used for large BIOS collections.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →