Lenovo · laptop motherboard

Lenovo ThinkPad T490 NM-B902

BIOS
Board code
NM-B902
Platform
FP531
Made by
LCFC
Revisions
Rev 1.0
Files
2
Updated

Lenovo ThinkPad T490 NM-B902 is a laptop motherboard designed by LCFC and used in the Lenovo ThinkPad T490.

The catalog has 2 BIOS files for it, posted between 2022 and 2023. Each download button opens the original Telegram post.

The files are marked Rev 1.0; other revisions of the same board can differ in parts and layout.

Read and save the original chip contents before you write anything to it — Keeping the Windows Product Key (MSDM) When Reflashing a BIOS.

Also listed under platform FP531.

Compatible models

Files for Lenovo ThinkPad T490 NM-B902

BIOS and firmware 2 All bios and firmware →

Frequently asked questions

Which laptops use the NM-B902 motherboard?
File names in the catalog tie NM-B902 to the Lenovo ThinkPad T490. Laptops sold under one model name can use different boards, so confirm by the code printed on the motherboard.
Which revision of NM-B902 do I have?
Files for this board mention Rev 1.0. The revision is printed on the PCB silkscreen, usually next to the board code. Pick files with the same revision when you can; if yours is not listed, the closest revision is usually fine for the schematic but check part positions in the boardview carefully.
What should I check before flashing the NM-B902 BIOS?
Read the original chip with a programmer and save two copies before writing anything. A dump from another board carries that board's serial number and MAC address, so restore yours from the backup.

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