BIOS package covering the Lenovo B40-70, B50-70, E40-70 and E50-70, stored in a 3.24 MB RAR archive. These models are grouped together, though the name does not state the board number, so confirm the mainboard label on the PCB before choosing an image. A technician programs such a file into the SPI flash with a programmer to recover a board that does not post or has a corrupted BIOS. Back up the original chip first, and check that 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 | 9 Dec 2017 | Open file on RM Schematics |
| @abgm_manutencao_bios | 8 Aug 2019 | 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 →