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Dell OptiPlex 3070 COUGAR 17539-3 BIOS

BIOS 17539-3 Added: Jul 12, 2025 RAR · 16 MB

File details

TypeBIOS
BrandDell
ModelOptiPlex 3070
Board number17539-3
PlatformCOUGAR
Board maker (ODM)Wistron
DeviceLaptop
FormatRAR
Size16 MB
BIOS chip size32 MB
AddedJuly 12, 2025
Updated
Original file nameDELL_OptiPlex_3070_Tower_COUGAR_MLK_MT_17539_3 32MB BIOS.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

From the original post:
DELL_OptiPlex_3070_Tower_COUGAR_MLK_MT_17539_3 32MB BIOS

BIOS dump for the Dell OptiPlex 3070 built on the Wistron 17539-3 board (platform COUGAR), supplied for a 32 MB flash chip in a RAR archive of about 16.2 MB. Technicians use a dump like this to reprogram the SPI chip with a programmer after a corrupted BIOS or a failed update. Note that the facts list the device as a laptop while the file name refers to a Tower, so confirm the exact machine before flashing. Check that the board number and revision match your board, and save the original chip contents first.

For board 17539-3 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: Dell OptiPlex 3070 COUGAR 17539-3. 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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