Lenovo ThinkPad W541 12291-2 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | ThinkPad W541 |
| Board number | 12291-2 |
| Board maker (ODM) | Wistron |
| Device | Laptop |
| Format | RAR |
| Size | 6.7 MB |
| Marks | tested by uploader |
| Added | August 8, 2023 |
| Updated | |
| Original file name | LENOVO_THINKPAD_W541_LKM_1_WS_MB_12291_2_48_4L013_021_WORKING_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
LENOVO THINKPAD W541 LKM-1 WS MB 12291-2 48.4L013.021 WORKING BIOS 100% BIOS dump for the Lenovo ThinkPad W541 laptop, Wistron board 12291-2, supplied as a RAR archive of about 6.7 MB. The uploader marked it as tested, though that is their own claim and not verified here. Technicians use a dump like this to reprogram the SPI flash chip with a programmer after a corrupted BIOS or a failed update. Before writing anything, confirm that the board number on your PCB matches 12291-2, and back up the original chip contents so you can recover if the new image does not work.
For board 12291-2 the catalog also has 1 schematic, 2 boardview files, and 8 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 W541 12291-2. 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.