Lenovo ThinkPad T480S ET481 NM-B471 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | ThinkPad T480S |
| Board number | NM-B471 |
| Platform | ET481 |
| Board maker (ODM) | Compal |
| Revision | 1.0 |
| Device | Laptop |
| Format | RAR |
| Size | 8.2 MB |
| Marks | unlocked, tested by uploader |
| Added | March 28, 2022 |
| Updated | |
| Original file name | LENOVO_THINKPAD_T480S_ET481_NM_B471_REV_1_0_2017_10_30_UNLOCKED.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 ThinkPad T480S laptop, board NM-B471 (platform ET481, Compal ODM), revision 1.0. The file is marked as unlocked and as tested by the uploader, though that is the uploader's own claim and has not been checked by us. Technicians use a BIOS dump like this to reprogram the SPI flash chip with a programmer after a corrupted BIOS or a failed update. Confirm that the board number and revision match your machine before flashing, and back up the original chip contents first.
For board NM-B471 the catalog also has 2 schematics, 1 boardview file, and 4 BIOS dumps.
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 ThinkPad T480S ET481 NM-B471. 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.