MBX-223 EC / KBC Firmware

Part of MBX-223

This page collects 6 EC firmwares for MBX-223. The board is used in the Sony VPCEB and Sony VPCEA. Board revisions: 1.1.

EC files 6

FileSizeRevAddedSource
1.6 MB
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Get on Telegram Laptop & Desktop BIOS Files
1.7 MB
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Get on Telegram BIOS Archive
1.6 MB
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Get on Telegram BIOS Archive
1.6 MB
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Get on Telegram BIOS Archive

Laptops that use MBX-223

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

FormatWhat it isOpen with
.rarRAR archive7-Zip or WinRAR
.romraw BIOS ROM imagea CH341A, XGecu or RT809H programmer
.zipZIP archive7-Zip, WinRAR or the built-in Windows extractor