Acer Extensa 4420 06237-3M BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Acer |
| Model | Extensa 4420 |
| Board number | 06237-3M |
| Board maker (ODM) | Wistron |
| Device | Laptop |
| Format | RAR |
| Size | 0.6 MB |
| Added | April 14, 2021 |
| Updated | |
| Original file name | Acer Extensa 4420 (06237-3M BIWA MB).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 Extensa 4420 laptop, board number 06237-3M, made by Wistron, supplied as a RAR archive named Acer Extensa 4420 (06237-3M BIWA MB).rar. Technicians use a 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 on your motherboard matches 06237-3M before flashing, and back up the original chip contents first so you can restore them if needed.
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 Extensa 4420 06237-3M. 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.