Skip to content

Sony VAIO VPC-CW290X MBX-226 BIOS

BIOS MBX-226 Added: Aug 17, 2017 ZIP · 1.1 MB

File details

TypeBIOS
BrandSony
ModelVAIO VPC-CW290X
Board numberMBX-226
DeviceLaptop
FormatZIP
Size1.1 MB
AddedAugust 17, 2017
Updated
Original file nameSony Vaio VPC-CW290X=4=MBX-226 Cpu Corei3 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.

AwesomeHeader does not store this file. It was published in a public Telegram channel; the links above lead to the original post and its copies.

Description

BIOS dump for the Sony VAIO VPC-CW290X laptop, board number MBX-226, supplied as a ZIP archive of about 1.1 MB. The original file name also references a Core i3 CPU and HM55 chipset, which are noted in the source caption rather than verified here. Technicians use a BIOS dump like this to reprogram the SPI flash chip with a programmer after BIOS corruption or a failed update. Confirm that the board number matches your motherboard exactly, and read and save the original chip contents before writing anything to it.

For board MBX-226 the catalog also has 5 schematics and 14 BIOS dumps.

Description generated from the catalog data. ·

How to open it

A BIOS dump is written to the SPI flash chip with a programmer such as the CH341A and a SOIC8 clip. Read and save the original chip contents twice before writing.

Guide: Flash a Laptop BIOS with a CH341A Programmer →

Browse more

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.

Report a dead link or request removal