BIOS firmware for the M2N68-AM motherboard, an ASUS AM2 desktop board, shipped in a 642 KB zip; the name does not state a version or whether this is a stock file or a chip dump. Extract it and check the image size against the flash chip on your board before use. Technicians reflash such images with a programmer like the CH341A when the board is dead after a failed update. Make sure the variant matches, since the SE2 and PLUS versions use different firmware, and back up the original chip first.
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 →