Lenovo ThinkPad L490
The Lenovo ThinkPad L490 uses the NM-B931 main board. There are 5 files in the catalog: 3 BIOS files, 1 schematic and 1 boardview.
Earliest upload: March 2021.
BIOS dumps 3
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Schematics 1
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Boardviews 1
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Model facts
| Brand | Lenovo |
|---|---|
| Series | ThinkPad |
| Board revisions | 1.0 |
| BIOS chip size | 1 MB, 32 MB |
| First seen | 2021-03-16 |
| Source channels | BIOS Archive, Schematics & Boardviews Archive, Cyberlan Electronics |
Main boards used in Lenovo ThinkPad L490
Tools to open these files
| Format | What it is | Open with |
|---|---|---|
| .rar | RAR archive | 7-Zip or WinRAR |
| .tvw | Tebo-ICT .tvw boardview | FlexBV or Tebo-ICT View |
| .zip | ZIP archive | 7-Zip, WinRAR or the built-in Windows extractor |
| .bin | BIOS image inside the archive (usually .bin) | a CH341A, XGecu T48 / TL866II Plus or RT809H programmer |
Questions
Which motherboard does the Lenovo ThinkPad L490 use?
The Lenovo ThinkPad L490 uses the NM-B931 board.
What size is the Lenovo ThinkPad L490 BIOS chip?
The BIOS dumps for this model are 1 MB and 32 MB.
Is there a boardview for the Lenovo ThinkPad L490?
Yes, 1 boardview file (.tvw).
Where do the download links go?
To the original public Telegram post of each file. ChambersDesignInc.com does not host files.