Alternative BIOS archive for the IL9 Pro-V motherboard; the name marks it as a different version (spelled DIF VESION), separate from the regular IL9 Pro-V package. The 424 KB ZIP gives no explicit version number, so compare the extracted image with other dumps to tell them apart. Having a second build is handy when one version misbehaves after reflash. Back up the existing BIOS chip, confirm the PCB is an IL9 Pro-V, and check the image size matches the flash chip before writing it with a hardware programmer.
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 →