Lenovo IdeaPad EG431-EG532-FG5N2 NM-B661 BIOS (REV 1.0, 8 MB)
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | IdeaPad EG431-EG532-FG5N2 |
| Board number | NM-B661 |
| Board maker (ODM) | Compal |
| Revision | 1.0 |
| Device | Laptop |
| Format | RAR |
| Size | 3.8 MB |
| BIOS chip size | 8 MB |
| Added | May 12, 2020 |
| Updated | |
| Original file name | Lenovo IdeaPad EG431-EG532-FG5N2 NM-B661 Rev1.0 W25Q64FWSIQ.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 IdeaPad EG431-EG532-FG5N2 laptop, board NM-B661 revision 1.0, from Compal, supplied for an 8 MB flash chip. The original file name points to a W25Q64FWSIQ part, which is the chip a programmer would need to read or write. A dump like this is used to reprogram the SPI flash after a corrupted BIOS or a failed update. Confirm that the board number and revision match your laptop before flashing, and back up the original chip contents first so you can restore them if something goes wrong.
For board NM-B661 the catalog also has 3 schematics, 4 boardview files, and 10 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 IdeaPad EG431-EG532-FG5N2 NM-B661. 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.