About this board
This thread is for the Lenovo G50-70 with main board NM-A273.
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.
Files usually needed for this board
- BIOS (full SPI chip dump, .bin)
- EC / KBC firmware, if the board uses a separate EC chip
- Schematic (PDF)
- Boardview (.brd / .bdv / .cad)
Typical reasons to reflash: no power or no display after a failed BIOS update, a BIOS/supervisor password lock, or a corrupted Intel ME region.
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-A273 in File Finder.
Attachments
NM-A273 clear me.rar
3 MB · Views: 14
3 MB · Views: 14
NM-A273 IT8586E.BIN
128 KB · Views: 2
128 KB · Views: 2
Lenovo G50-70 - NM-A273 REV1.0 BoardView.tvw.zip
2.4 MB · Views: 8
2.4 MB · Views: 8
LENOVO Z50-70 ACLUA NM-A273.pdf
1.4 MB · Views: 6
1.4 MB · Views: 6
