BIOS archive for the K40IN notebook, with AS223 in the name most likely showing version 223. The zip is 568 KB and is intended for this specific K40 variant. Repair use includes recovering a laptop that powers up without display after a corrupted update, either through the vendor flash routine or by programming the SPI chip directly. Confirm the exact model and board before relying on it, back up the existing firmware, and check the image size against the installed 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 @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 →