Working BIOS for the ASUS X540MA laptop, mainboard revision 2.0, which the name describes as 100 percent working. It comes as a 6.90 MB RAR archive. Write it to the SPI flash with a programmer such as a CH341A to bring back a board that will not power on or display after firmware corruption. Read and keep the original contents first, because serial and system data are stored in the flash. Check that the board revision is 2.0 and that the image size matches the chip 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 (11)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 23 Sept 2023 | Open file on RM Schematics |
| @generalbios | 4 Oct 2023 | Open file on RM Schematics |
| @generalbios | 6 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 | 13 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 →