Schematics Lenovo LCFC JS47R J557R NM-E791 REV1.0
bios bin.zip
bios bin.zip
About this board
This thread is for the Lenovo JS47R J557R with main board NM-E791.
Lenovo had this board built by LCFC; LCFC (Lenovo/Compal) board numbers start with NM-. Check the number printed on the PCB before you download. Board revision: 1.0. Match the revision as well as the board number.
What this thread covers
- Schematic (PDF)
Common cases: dead board after an interrupted BIOS update, ME region errors, missing serial number or UUID after a board swap, or a password lock.
Back up the original dump first — it contains machine-specific data (serial, UUID, MAC, ME), and you will want it if anything goes wrong.
If you have a working file for this board, please share it below. More files: search NM-E791 in File Finder.
Attachments
KKCN19WW.zip
4 MB · Views: 16
4 MB · Views: 16
NS-E792 REV1.0.tvw.zip
80.5 KB · Views: 6
80.5 KB · Views: 6
NM-E791 REV1.0.tvw.zip
2 MB · Views: 8
2 MB · Views: 8
NS-E791 REV1.0.tvw.zip
78.2 KB · Views: 6
78.2 KB · Views: 6
