Firmware dump for a Positivo BGH E900 series laptop, with board code W54XTU18 in the name, marked as tested and working. The RAR archive is 3.05 MB. Positivo BGH sells machines built by various ODMs, so the board marking is the most reliable way to confirm compatibility. A dump like this is programmed into the SPI flash with an external programmer such as a CH341A to recover a dead or looping board. Save the original chip contents before erasing, and make sure the image size matches the flash capacity.
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 (2)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 26 Dec 2023 | Open file on RM Schematics |
| @generalbios | 14 Jul 2024 | 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 →