Lenovo ThinkPad X390
3 board numbers are linked to the Lenovo ThinkPad X390: NM-B891, 18729-1 and NM-B892. Check the number printed on your board before using a file. There are 7 files in the catalog: 6 BIOS files and 1 schematic.
Earliest upload: July 2020.
BIOS dumps 6
FileSizeRevAddedSource
Schematics 1
FileSizeRevAddedSource
From the uploader
LENOVO ThinkPad X390 Yoga LBB-1 MB 18729-1 448.0G104.0011 WOEKING BIOS 100% 32MB
Model facts
| Brand | Lenovo |
|---|---|
| Series | ThinkPad |
| Board revisions | 2.0, 1.0 |
| BIOS chip size | 1 MB, 32 MB |
| Flash chip | MX25L25633F |
| First seen | 2020-07-15 |
| Source channels | BIOS Archive, Schematics & Boardviews Archive, Cyberlan Electronics |
Main boards used in Lenovo ThinkPad X390
Tools to open these files
| Format | What it is | Open with |
|---|---|---|
| .rar | RAR archive | 7-Zip or WinRAR |
| .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 X390 use?
The files link the Lenovo ThinkPad X390 to NM-B891, 18729-1 and NM-B892. Check the number printed on your board before flashing anything.
What size is the Lenovo ThinkPad X390 BIOS chip?
The BIOS dumps for this model are 1 MB and 32 MB.
Where do the download links go?
To the original public Telegram post of each file. ChambersDesignInc.com does not host files.