Need Information for Dell PC

Compatible processors listed here....

http://www.dell.com/downloads/global/products/optix/en/spec_optix_gx520-gx620_en.pdf

Both are socket 775 LGA, so at least the pins (sic) match up...

A problem you may have is the operating system which was installed over the Pentium D/Pentium 4...whatever you have in your 'plex... The drivers (registry) may be handled differently between the processors.

Identify Your Specific Model

Every Dell Computer has a Service Tag. This is a label on the back of the computer with an alphanumeric code which identifies its specific model and series. The coded information on the Service Tag will lead you to all the pertinent information available at the Dell support website.

Identify Your Specific Need

Select the category of information that you are seeking. You can troubleshoot or download an owner's manual, software or drivers. Or you can simply research specifics about a particular Dell computer model.

Retrieve Information

For authorized and accurate information regarding Dell computers, the most reliable site is the Dell Support website (see Resource). At that site, navigate to the link labeled for your specific need. There you will have the opportunity to enter the service tag number and be offered options for obtaining the information you seek.