09921-3 EC / KBC Firmware
Part of 09921-3
2 EC firmwares for 09921-3 are indexed here. The board is used in the Acer Aspire 3820, Acer 3820ZG, Acer Aspire 3820TG and Acer JM31.
EC files 2
FileSizeRevAddedSource
Laptops that use 09921-3
- Acer Aspire 3820
- Acer 3820ZG
- Acer Aspire 3820TG
- Acer JM31
- Acer JM31-CP
What these files are for
EC (embedded controller) firmware runs the keyboard controller, power sequencing, battery charging and fans. Depending on the board it lives in a separate chip (ENE KB9012, ITE IT85xx, Nuvoton NPCE) or inside the main SPI image, so check which applies before flashing.
Tools to open these files
| Format | What it is | Open with |
|---|---|---|
| .rar | RAR archive | 7-Zip or WinRAR |
| .zip | ZIP archive | 7-Zip, WinRAR or the built-in Windows extractor |