Acer Aspire 3820TG JM31-CP 09921-3 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Acer |
| Model | Aspire 3820TG |
| Board number | 09921-3 |
| Platform | JM31-CP |
| Board maker (ODM) | Wistron |
| Device | Laptop |
| Format | RAR |
| Size | 1.7 MB |
| Marks | includes EC firmware |
| Added | April 9, 2022 |
| Updated | |
| Original file name | Acer Aspire 3820TG Wistron JM31-CP MB 09921-3 BIOS & KBC.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 Acer Aspire 3820TG laptop, built on the Wistron 09921-3 board (platform JM31-CP). This package includes EC/KBC firmware alongside the BIOS image, and the archive is about 1.7 MB. Technicians use a BIOS dump like this to reprogram the SPI flash chip with a programmer after a corrupted BIOS or a failed update. Confirm that the board number 09921-3 matches the marking on your motherboard before flashing, and read out and save the original chip contents first so you can restore them if needed.
For board 09921-3 the catalog also has 1 schematic and 3 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: Acer Aspire 3820TG JM31-CP 09921-3. 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.