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Dell OptiPlex 990 BIOS (8 MB / 2 MB)

BIOS Added: Dec 28, 2021 ZIP · 5.1 MB

File details

TypeBIOS
BrandDell
ModelOptiPlex 990
DeviceDesktop motherboard
FormatZIP
Size5.1 MB
BIOS chip size8 MB / 2 MB
AddedDecember 28, 2021
Updated
Original file nameDell OptiPlex 990 (Early2011)A-18 2MB & 8MB BIOS .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 Dell OptiPlex 990 desktop motherboard, supplied in ZIP format at about 5.1 MB, with versions for both 8 MB and 2 MB SPI flash chips. The original file name, Dell OptiPlex 990 (Early2011)A-18 2MB & 8MB BIOS .zip, indicates the chip sizes covered. Technicians use a dump like this to reprogram the SPI chip with a programmer after a corrupted BIOS or a failed update. Confirm that the board number and revision match your motherboard before flashing, and back up the original chip contents first.

For the Dell OptiPlex 990 the catalog also has 1 schematic and 3 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: Dell OptiPlex 990. 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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