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Toshiba C55T-C5300 BIOS

BIOS Added: Dec 11, 2021 ZIP · 4.3 MB

File details

TypeBIOS
BrandToshiba
ModelC55T-C5300
RevisionB
DeviceLaptop
FormatZIP
Size4.3 MB
Marksincludes EC firmware
AddedDecember 11, 2021
Updated
Original file nameTOSHIBA C55T-C5300 DABLQMB16B0 REVB BIOS main+ec ok .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 Toshiba C55T-C5300 laptop, revision B, shipped as a ZIP of about 4.3 MB that includes EC/KBC firmware alongside the main BIOS image. Technicians use a dump like this to reprogram the SPI flash chip with a programmer after BIOS corruption or a failed update, and the bundled EC/KBC firmware covers the embedded controller as well. Before flashing, confirm that the board number and revision on your motherboard match revision B, and save a full read of the original chip contents as a backup.

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 C55T-C5300. 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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