Lenovo IdeaPad EG431 FG5N2 NM-B661 BIOS (REV 1.0, 8 MB)
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | IdeaPad EG431 |
| Board number | NM-B661 |
| Platform | FG5N2 |
| Board maker (ODM) | Compal |
| Revision | 1.0 |
| Device | Laptop |
| Format | RAR |
| Size | 3.8 MB |
| BIOS chip size | 8 MB |
| Added | March 16, 2021 |
| Updated | |
| Original file name | Lenovo_IdeaPad_EG431_EG532_FG5N2_NM_B661_Rev1_0_W25Q64FWSIQ_OK.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 laptop, board number NM-B661, revision 1.0, platform FG5N2, built by Compal and supplied for an 8 MB flash chip. A dump like this is used to reprogram the SPI flash with a programmer after a corrupted BIOS or a failed update. Before flashing, confirm that the board number and revision on your motherboard match the file, and read and save the original chip contents as a backup. The original file name also points to a W25Q64FWSIQ chip, which you can compare against the part on your board.
The catalog also lists 3 schematics, 4 boardview files, and 10 BIOS dumps for board NM-B661.
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 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.