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NM-A531 BIOS

BIOS NM-A531 Added: Apr 24, 2026 ZIP · 5.2 MB

File details

TypeBIOS
Board numberNM-A531
Board maker (ODM)Compal
DeviceLaptop
FormatZIP
Size5.2 MB
AddedApril 24, 2026
Updated
Original file namex260 nm-a531.BIN.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 a laptop motherboard with board number NM-A531, made by Compal, supplied as a ZIP archive of about 5.2 MB under the original file name x260 nm-a531.BIN.zip. A dump like this is used to reprogram the SPI flash chip with a programmer after BIOS corruption or a failed update. Before flashing, confirm that the board number and revision on your board match the file, and save the original chip contents as a backup so you can restore them if something goes wrong.

The catalog also lists 3 schematics, 2 boardview files, and 14 BIOS dumps for board NM-A531.

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-A531. 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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