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NM-A471 BIOS (REV 2.0)

BIOS NM-A471 Added: Apr 13, 2019 RAR · 3.5 MB

File details

TypeBIOS
Board numberNM-A471
Board maker (ODM)Compal
Revision2.0
DeviceLaptop
FormatRAR
Size3.5 MB
AddedApril 13, 2019
Updated
Original file namebackup OK BMWC1-C2 NM-A471 Rev2.0.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

BIOS dump for a laptop built on the Compal NM-A471 board, revision 2.0, supplied as a RAR archive of about 3.5 MB under the file name "backup OK BMWC1-C2 NM-A471 Rev2.0.rar". The file name suggests it is a backup image, though the facts do not confirm its chip size or any extra firmware. Technicians use a BIOS dump like this to reprogram the SPI flash chip with a programmer after a corrupted BIOS or a failed update.

For board NM-A471 the catalog also has 3 schematics and 13 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 →

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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: NM-A471. 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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