Sony VAIO VPC-CW290X MBX-226 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Sony |
| Model | VAIO VPC-CW290X |
| Board number | MBX-226 |
| Device | Laptop |
| Format | ZIP |
| Size | 1.1 MB |
| Added | December 24, 2017 |
| Updated | |
| Original file name | Sony Vaio VPC-CW290X=4=MBX-226-HM55.zip |
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 Sony VAIO VPC-CW290X laptop, board number MBX-226, supplied as a 1.1 MB ZIP archive under the original file name Sony Vaio VPC-CW290X=4=MBX-226-HM55.zip. A dump like this is used to reprogram the SPI flash chip with a programmer after a corrupted BIOS or a failed update. Before writing anything, confirm that the board number on your motherboard matches MBX-226, and save a full read of the original chip contents so you can restore it if the new image does not behave as expected.
The catalog also lists 5 schematics and 14 BIOS dumps for board MBX-226.
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: Sony VAIO VPC-CW290X MBX-226. 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.