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Dell OptiPlex 990 Schematic

Schematic Added: Feb 22, 2022 RAR · 3.6 MB

File details

TypeSchematic
BrandDell
ModelOptiPlex 990
DeviceDesktop motherboard
FormatRAR
Size3.6 MB
AddedFebruary 22, 2022
Updated
Original file nameDELL OPTIPLEX 990 KATSIKI USFF (REV A00) PDF .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

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

The schematic for the Dell OptiPlex 990 desktop motherboard, supplied as a RAR archive of about 3.6 MB under the original file name DELL OPTIPLEX 990 KATSIKI USFF (REV A00) PDF .rar. The file name indicates a USFF form factor and a REV A00 revision, so check that the revision printed on your board matches before relying on it. A schematic is used to trace power rails, enable signals and other circuit paths, which helps when diagnosing no-power or no-boot faults.

The catalog also lists 4 BIOS dumps for the Dell OptiPlex 990.

Description generated from the catalog data. ·

How to open it

Schematics are PDF files: any PDF reader works. Use the search in the PDF to jump to a net or part name, and keep the boardview open next to it if you have one.

Guide: How to Read Laptop Schematics: Rails, Nets, Sequence →

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Questions about this file

Which board is this schematic for?

It is for Dell OptiPlex 990. Compare the board number and revision printed on your PCB with the file details before relying on it.

How do I open the schematic?

It is a PDF file, usually inside an archive. Extract it and open it in any PDF reader; text search helps to find nets and parts.

Is there a boardview for the same board?

Check the related files below: files for the same board and model are listed first.

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