Lenovo Y520 NM-B391 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | Y520 |
| Board number | NM-B391 |
| Board maker (ODM) | Compal |
| Revision | 1 |
| Device | Laptop |
| Format | RAR |
| Size | 5.1 MB |
| Marks | tested by uploader |
| Added | August 3, 2021 |
| Updated | |
| Original file name | Lenovo_Y520_15IKBM_NM_B391_REV_1_NVIDIA_N17E_G1_A1_SR30W_SR32Q.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 Y520-15IKBM MODEL 80YY NM-B391 REV 1.0 NVIDIA N17E-G1-A1 SR30W SR32Q WORKING BIOS 100% BIOS dump for the Lenovo Y520 laptop, board number NM-B391 from Compal, revision 1, supplied as a 5.1 MB RAR archive. The uploader marked it as tested. 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 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-B391 the catalog also has 1 schematic, 1 boardview file, and 5 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 Y520 NM-B391. 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.