L590 (type 20Q7, 20Q8) Laptops (ThinkPad)
ThinkPad L490, L590 BIOS
L490 (type 20Q5, 20Q6)
FL490/FL590 NM-B931
R0ZET35P 32MB
R0ZET35W 32MB
BIOS+SCHEMATIC+BOARDVIEW
ThinkPad L490, L590 BIOS
L490 (type 20Q5, 20Q6)
FL490/FL590 NM-B931
R0ZET35P 32MB
R0ZET35W 32MB
BIOS+SCHEMATIC+BOARDVIEW
About this board
This thread is for the L590 (type 20Q7 20Q8) Laptops (ThinkPad) L490 (type 20Q5 20Q6) FL490/F… with main board NM-B931.
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 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.
Before flashing, always read and save the original chip. It holds the serial number, UUID, MAC address and ME data for that exact machine.
Have a tested file for NM-B931? Reply below and help the next technician. Looking for something else? Search all files in the File Finder.
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