About this board
Thinkpad L14 GEN 1 GL40/GL5A0 — motherboard NM-C631.
The board was manufactured by LCFC for Lenovo. LCFC (Lenovo/Compal) board numbers start with NM-, so you can confirm it on the PCB silkscreen.
Files listed for this board
- BIOS (full SPI chip dump, .bin)
- Schematic (PDF)
- Boardview (.brd / .bdv / .cad)
Usually needed when the laptop powers on with a black screen after a BIOS update, is stuck in a boot loop, or is locked with a BIOS password.
Back up the original dump first — it contains machine-specific data (serial, UUID, MAC, ME), and you will want it if anything goes wrong.
Have a tested file for NM-C631? Reply below and help the next technician. Looking for something else? Search all files in the File Finder.
Attachments
W25Q256FV NM-C631 OK BIOS.rar
10.3 MB · Views: 42
10.3 MB · Views: 42
L14 GEN 1 NM-C631.pdf
3.8 MB · Views: 63
3.8 MB · Views: 63
EC.zip
136.3 KB · Views: 21
136.3 KB · Views: 21
Thinkpad L14 GEN 1 GL40-GL5A0 NM-C631 BoardView.tvw.zip
4 MB · Views: 47
4 MB · Views: 47
NUVOTON_JTAG_LDR_256KB_CRC32_0x9E512866.bin
256 KB · Views: 17
256 KB · Views: 17
THINKPAD L14 GEN 1 NM-C631 CLEAN ME SRGKY.rar
12.8 MB · Views: 12
12.8 MB · Views: 12
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