Memory Needed

Microsoft Windows xp professional w/sp2
May 3, 2011 at 04:01:22
Specs: None, Pentium 4 / No RAM
I have two Dell Pentium 4 desktop computers. I'm not exactly sure how old they are but they take two different types of memory. They also don't have hard drives in them but I'll worry about that later.

With one computer it says the type of memory for the computer is RMM1 and RMM2...when I look at the memory slots there are two small protruding sections about a half an inch from the center that require there to be indention in the memory chip. (There are a total of two memory slots.)

With the other computer it says DIMM1—on the motherboard--for one of the memory slots and DIMM2 for the other. It has only one small protruding section in the center with each memory slot. (There are a total of two memory slots.)

If I were to buy memory for any of these system what would I have to look for? (I am looking for the best/cheapest price available please.)

Thanks very much in advanced for any helpful responses.



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May 3, 2011 at 04:23:52
Identify either the Dell model number or the motherboard model number and visit

They will tell you exactly what specification ram you need for each

Goin' Fishin' (Some day)

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May 3, 2011 at 04:26:19
Go to and use the app there to find out what type of memory and how much each will hold. Then you can shop online for the chips. You need to know the model #'s which is on the plastic around the power button.

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May 3, 2011 at 05:01:50
The system with "RMM1 & RMM2" uses RDRAM, aka "Rambus" memory. It's obsolete, expensive & must be installed in pairs unless you have a "blank" for the 2nd slot. This system is probably not worth investing in.

The 2nd system with the DIMM slots probably uses DDR or DDR2-SDRAM:

We can't help you without knowing the Dell model numbers.

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