Lenovo ThinkPad E540 NM-A161 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | ThinkPad E540 |
| Board number | NM-A161 |
| Board maker (ODM) | Compal |
| Device | Laptop |
| Format | RAR |
| Size | 4.8 MB |
| Added | November 3, 2020 |
| Updated | |
| Original file name | LENOVO THINKPAD E540 U8M1 U4M1 NM-A161 BIOS.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 E540 laptop, board number NM-A161, from Compal. The original file name references U8M1 and U4M1, so check which of those matches your machine before use. Technicians use a 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 board, and back up the original chip contents before writing anything.
The catalog also lists 2 schematics and 12 BIOS dumps for board NM-A161.
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 E540 NM-A161. 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.