Lenovo ThinkPad T480（20L5 ET480 NM-B501 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | ThinkPad T480（20L5 |
| Board number | NM-B501 |
| Platform | ET480 |
| Board maker (ODM) | Compal |
| Revision | 1.0 |
| Device | Laptop |
| Format | RAR |
| Size | 16 MB |
| Marks | tested by uploader |
| Added | March 9, 2023 |
| Updated | |
| Original file name | LENOVO_Thinkpad_T480（20L5_ET480_NM_B501_Rev1_0_2018_03_05_U49_&.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
LENOVO Thinkpad T480(20L5) ET480 NM-B501 Rev1.0 2018-03-05 U49 & U15 WORKING BIOS 100% BIOS dump for the Lenovo ThinkPad T480 (20L5) laptop, platform ET480, built by Compal under board number NM-B501, revision 1.0. The archive is a RAR of about 16.3 MB and is marked as tested by the uploader. A technician uses a dump like this to reprogram the SPI flash chip with a programmer after a corrupted BIOS or a failed update. Before flashing, confirm that the board number and revision match your motherboard, and back up the original chip contents so you can recover if something goes wrong.
The catalog also lists 2 schematics, 1 boardview file, and 6 BIOS dumps for board NM-B501.
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（20L5 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.