Lenovo ThinkPad T480 ET480 NM-B501 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | ThinkPad T480 |
| Board number | NM-B501 |
| Platform | ET480 |
| Board maker (ODM) | Compal |
| Device | Laptop |
| Format | RAR |
| Size | 8.5 MB |
| BIOS chip size | 16 MB / 1 MB |
| Marks | includes EC firmware |
| Added | April 11, 2021 |
| Updated | |
| Original file name | ThinkPad_T480_Type_20L5,_20L6_BIOS_ET480_NM_B501_16MB_&1MB_&EC_IO.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 T480 laptop, board number NM-B501 on the Compal ET480 platform, supplied for 16 MB and 1 MB flash chips and including EC/KBC firmware. Technicians use a dump like this to reprogram the SPI flash with a programmer after a corrupted BIOS or a failed update. Before writing anything, confirm that the board number and revision on your motherboard match the file, and back up the original chip contents so you can restore them if needed.
For board NM-B501 the catalog also has 2 schematics, 1 boardview file, and 6 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 T480 ET480 NM-B501. 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.