BIOS dump for a board numbered DA0NJHMBAH0, revision H, labelled as a fully working image and delivered in an RAR archive of about 9 MB. DA0xxxMBxx0 numbers follow the Quanta ODM scheme, so the laptop brand itself is not given in the name. Technicians write such an image to the SPI flash with a programmer like a CH341A to revive a board with corrupt firmware. Read and save the original chip contents first, and check that the image size matches the flash capacity and that the board revision is H.
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 (10)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 17 Sept 2023 | Open file on RM Schematics |
| @generalbios | 4 Oct 2023 | Open file on RM Schematics |
| @generalbios | 8 Oct 2023 | Open file on RM Schematics |
| @generalbios | 9 Oct 2023 | Open file on RM Schematics |
| @generalbios | 12 Oct 2023 | Open file on RM Schematics |
| @generalbios | 15 Oct 2023 | Open file on RM Schematics |
| @generalbios | 19 Oct 2023 | Open file on RM Schematics |
| @generalbios | 26 Oct 2023 | Open file on RM Schematics |
| @generalbios | 29 Oct 2023 | Open file on RM Schematics |
| @generalbios | 26 Nov 2023 | Open file on RM Schematics |
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →