JS77A NM-E531 BIOS
File details
| Type | BIOS |
|---|---|
| Board number | NM-E531 |
| Platform | JS77A |
| Board maker (ODM) | Compal |
| Revision | 1.0 |
| Device | Laptop |
| Format | RAR |
| Size | 7.1 MB |
| BIOS chip size | 16 MB |
| Marks | includes EC firmware |
| Added | May 17, 2025 |
| Updated | |
| Original file name | JS47A JS57A JS77A NM-E531 REV 1.0 16MB BIOS & KBEC.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
JS47A JS57A JS77A NM-E531 REV 1.0 16MB BIOS & KBEC BIOS dump for the Compal NM-E531 laptop board, revision 1.0, platform JS77A, supplied with a 16 MB flash image and the EC/KBC firmware included. The original file name also lists JS47A and JS57A, so the set appears to cover those related platforms as well. A dump like this is used to reprogram the SPI flash chip with a programmer after a corrupted BIOS or a failed update, and the EC/KBC firmware is relevant when the keyboard controller needs restoring.
The catalog also lists 2 boardview files for board NM-E531.
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: JS77A NM-E531. 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.