NM-B481 BIOS Dump
Part of NM-B481
This page collects 8 BIOS files for NM-B481. The board is used in the Lenovo ThinkPad X1 Carbon, Lenovo ThinkPad X480 and Lenovo ThinkPad Carbon X1. Image size: 1 MB, 8 MB or 16 MB. 1 of them is marked as tested by the uploader. Board revisions: 1.0.
BIOS files 8
FileSizeRevAddedSource
EX480 NM B481 REV 1 0 2017 12 27 16MB & 1MB WORKING BIOS 100%
BIOS1 MB, 16 MBTested
8.6 MB
1.0
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Laptops that use NM-B481
- Lenovo ThinkPad X1 Carbon
- Lenovo ThinkPad X480
- Lenovo ThinkPad Carbon X1
What these files are for
A BIOS dump is a full image of the board's SPI flash chip. It is written back with an SPI programmer when the original firmware is corrupted, after a chip replacement, or to recover from a failed update. Read and save the original chip first: serial number, DMI data and the Intel ME / AMD PSP state differ between boards.
Tools to open these files
| Format | What it is | Open with |
|---|---|---|
| .rar | RAR archive | 7-Zip or WinRAR |
| .bin | BIOS image inside the archive (usually .bin) | a CH341A, XGecu T48 / TL866II Plus or RT809H programmer |