Lenovo T490S NM BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | T490S NM |
| Device | Laptop |
| Format | RAR |
| Size | 15 MB |
| Added | April 24, 2026 |
| Updated | |
| Original file name | LENOVO T490S NM FT491 FX390 B891 FEV 2.0 ABSOLUTE ENABLE.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 T490S NM laptop, supplied as a 15.3 MB RAR archive under the original file name LENOVO T490S NM FT491 FX390 B891 FEV 2.0 ABSOLUTE ENABLE.rar. Technicians use a BIOS dump like this to reprogram the SPI flash chip with a programmer after a corrupted BIOS or a failed update. Before writing anything, confirm that the board number and revision in the file name match your motherboard, and back up the original chip contents so you can restore them if needed.
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 T490S NM. 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.