Lenovo E490 NM-B911 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | E490 |
| Board number | NM-B911 |
| Board maker (ODM) | Compal |
| Revision | 1.0 |
| Device | Laptop |
| Format | RAR |
| Size | 6.7 MB |
| Added | March 27, 2022 |
| Updated | |
| Original file name | LENOVO E490 NM-B911 REV 1.0 2018-10-25.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 E490 laptop, board number NM-B911 revision 1.0, made by Compal. The archive is a RAR file of about 6.7 MB, named LENOVO E490 NM-B911 REV 1.0 2018-10-25.rar. 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 printed on your motherboard match NM-B911 and 1.0, and read and save the original chip contents as a backup.
For board NM-B911 the catalog also has 3 schematics and 15 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 E490 NM-B911. 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.