BIOS image, described as fully working, for a Lenovo laptop with project code JB435, board NM-E561 revision 3.0, in a RAR archive. NM-xxxx numbering belongs to LCFC, Lenovo's own ODM, and appears on the PCB silkscreen. The name does not give the flash size, so check the image and compare it with the SPI chip capacity. Back up the original chip, which may hold serial and OEM data, before programming it with an external programmer.
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 (3)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 7 Jul 2024 | Open file on RM Schematics |
| @generalbios | 14 Jul 2024 | Open file on RM Schematics |
| @generalbios | 4 Nov 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 →