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Sapphire HD7850 BIOS

BIOS Added: Oct 11, 2021 RAR · 0.1 MB

File details

TypeBIOS
BrandSapphire
ModelHD7850
DeviceGraphics card
FormatRAR
Size0.1 MB
AddedOctober 11, 2021
Updated
Original file nameSapphire HD7850 2G BIOS MEMORY 4AMF .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 the Sapphire HD7850 graphics card, supplied as a RAR archive named "Sapphire HD7850 2G BIOS MEMORY 4AMF .rar". The file name suggests a 2G memory variant, but the facts do not give a chip size or revision, so confirm those against your card before relying on it. Technicians use a BIOS dump like this to reprogram the video BIOS chip with a programmer after corruption or a failed flash. Check that the model and memory configuration match your card, and save the original chip contents before writing anything.

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: Sapphire HD7850. 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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