Lenovo ThinkPad T490 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | ThinkPad T490 |
| Device | Laptop |
| Format | RAR |
| Size | 10 MB |
| Added | April 24, 2026 |
| Updated | |
| Original file name | Lenovo Thinkpad T490 Type (20N3) (N2IETA0P).rar |
Where to get the file
Opens the matching file on RM Schematics, or its source details if it is not catalogued there yet.
Alternative links
No other copies are known yet.
Description
BIOS dump for the Lenovo ThinkPad T490 laptop, supplied as a RAR archive of about 10 MB under the original file name Lenovo Thinkpad T490 Type (20N3) (N2IETA0P).rar. Technicians use a dump like this to reprogram the SPI flash chip with a programmer after a corrupted BIOS or a failed update. The facts for this file don't list a board number, revision, chip size or any cleaning, so confirm the machine type and board details against your own board before flashing.
The catalog also lists 1 schematic and 5 BIOS dumps for the Lenovo ThinkPad T490.
Description generated from the catalog data. ·
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Questions about this file
How do I flash this BIOS dump?
Write it to the SPI flash chip with a programmer such as the CH341A and a SOIC8 clip. Read and keep the original contents first, and check that the chip size matches the dump.
Will this BIOS work on my board?
Only if the board number and revision match: Lenovo ThinkPad T490. Dumps from a different board or revision can leave the board dead.
What does “clean ME” mean?
The Intel ME region in the dump has been reset, so it can be used on another board of the same model. Keep your original dump and transfer serial numbers if needed.