Lenovo ThinkPad T490S
Lenovo ThinkPad T490S laptop files, main board NM-B891. There are 7 files in the catalog: 4 BIOS files, 1 schematic and 2 boardviews.
Earliest upload: July 2020.
BIOS dumps 4
FileSizeRevAddedSource
Schematics 1
FileSizeRevAddedSource
Boardviews 2
FileSizeRevAddedSource
Thinkpad T490S NM-B891 (BDV)(TVW)
Boardview.bdv.tvw
737 KB
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Model facts
| Brand | Lenovo |
|---|---|
| Series | ThinkPad |
| Board revisions | 2.0 |
| BIOS chip size | 32 MB |
| Flash chip | MX25L25633F |
| CPU generation | Intel 8th gen |
| First seen | 2020-07-15 |
| Source channels | BIOS Archive, Schematics & Boardviews Archive, Cyberlan Electronics |
Main boards used in Lenovo ThinkPad T490S
Tools to open these files
| Format | What it is | Open with |
|---|---|---|
| .bdv | Honhan .bdv boardview | OpenBoardView, FlexBV or Honhan BoardViewer |
| .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 T490S use?
The Lenovo ThinkPad T490S uses the NM-B891 board.
What size is the Lenovo ThinkPad T490S BIOS chip?
The BIOS dumps for this model are 32 MB.
Is there a boardview for the Lenovo ThinkPad T490S?
Yes, 2 boardview files (.bdv, .tvw).
Where do the download links go?
To the original public Telegram post of each file. ChambersDesignInc.com does not host files.