Working BIOS for a motherboard identified as IN73DA2-LF, version 1.0, shipped in a 495 KB ZIP. The name says the dump was tested as working, which makes it a reasonable recovery image when the original firmware is corrupted. Extract the file and compare its size with the capacity of the BIOS flash chip on the board before programming it with a tool such as a CH341A or similar. Read and archive the current chip contents first, and confirm the board marking matches IN73DA2-LF V1.0 exactly.
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.
All sources (4)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 25 Apr 2022 | Open file on RM Schematics |
| @pepeelectronica | 25 Apr 2022 | Open file on RM Schematics |
| @schematics_bios | 25 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 2 Aug 2026 | Open file on RM Schematics |
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 →