What is matching RAM?

I have the 512MB RAM (original) and added an extra 1GB on the second slot. I get problems once in a while with computer freezing specially when running apps that require lots of memory or running multiple apps.

I left the 1GB only and I do not get these problems. Does this have to do with this being not matched memory? Could you please explain what this means or how it works.

I would like to get another 1GB to have the max 2GB installed but I would like to know how to buy a matching one or at least make sure it will work

thanks

Jose

Answered! View the answer I have this problem too

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here it is

PC2-5300 1 GB RAM Chip

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Thanks a lot. So the "matching" means having modules of the same size only?

by josecelaya

You just need to match the type up but the speed can be up to 800MHZ

by Nick

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Here is a link to an article on properly matching ram. Good luck.

http://guides.macrumors.com/Understandin...

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josecelaya will be eternally grateful.

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