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Toshiba C55D ZKWAE LA-B302P BIOS

BIOS LA-B302P Added: Apr 13, 2022 RAR · 5.2 MB

File details

TypeBIOS
BrandToshiba
ModelC55D
Board numberLA-B302P
PlatformZKWAE
Board maker (ODM)Compal
Revision1.0
DeviceLaptop
FormatRAR
Size5.2 MB
Marksincludes EC firmware
AddedApril 13, 2022
Updated
Original file nameToshiba_C55D_Compal_ZKWAE_LA_B302P_REV_1_0_2014_03_03_BIOS_&_EC.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.

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

From the original post:
Toshiba C55D Compal ZKWAE LA-B302P REV 1.0 2014-03-03 BIOS & EC

BIOS dump for the Toshiba C55D laptop, Compal board LA-B302P revision 1.0 (platform ZKWAE). The package includes EC/KBC firmware alongside the BIOS image and is delivered as a 5.2 MB RAR archive. Technicians use a BIOS dump like this to reprogram the SPI flash chip with a programmer after a corrupted BIOS or a failed update, and the EC firmware can be relevant when the embedded controller is involved.

For board LA-B302P the catalog also has 1 BIOS dump.

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 →

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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: Toshiba C55D ZKWAE LA-B302P. 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.

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