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Toshiba NB520 QBU00 LA-6858P BIOS (REV 1.0)

BIOS LA-6858P Added: Mar 31, 2021 ZIP · 1.3 MB

File details

TypeBIOS
BrandToshiba
ModelNB520
Board numberLA-6858P
PlatformQBU00
Board maker (ODM)Compal
Revision1.0
DeviceLaptop
FormatZIP
Size1.3 MB
AddedMarch 31, 2021
Updated
Original file nameTOSHIBA-NB520 QBU00 LA-6858P REV 1.0 .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 NB520 laptop, board LA-6858P (platform QBU00, built by Compal), revision 1.0. The archive is a ZIP of about 1.3 MB. Technicians use a dump like this to reprogram the SPI flash chip with a programmer after a corrupted BIOS or a failed update. Before flashing, confirm that the board number and revision printed on your motherboard match LA-6858P REV 1.0, and save the original chip contents as a backup so you can restore them if needed.

For board LA-6858P 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 NB520 QBU00 LA-6858P. 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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