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No idea how to check RAM compatibility.

Last response: in Memory
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April 16, 2012 3:00:06 AM

Hi, I'm currently having a problem determining what RAM I can replace my old RAM with.

In my PC at the moment is 2 x 'samsung 512mb 1rx8 pc2-4200u-444-12-d3'
And that's on a Dell 'Connolly E187242 F2' Motherboard, with 4 slots for this kind of RAM.

I *think* it's DDR2 , but understand that's not all that's important when buying replacement RAM. I discovered that DDR won't fit into my motherboard (the slots near the middle of the card's pins are slightly displaced), when I tried to put some old DDR RAM from my previous PC into this current one, trying to use up the last two available slots. So apart from it being DDR2, I'm not sure what other numbers and such are important, when checking compatibility. Ideally I'd like to buy 4 x 1GB sticks that can replace the ones - Probably used and from ebay (cheapy cheapy).

any help on this would be greatly appreciated. Steve.
a b } Memory
a c 118 V Motherboard
April 16, 2012 3:11:35 AM

this is ddr2 ram give the exact model and name of your dell system not only the motherboard
April 16, 2012 3:28:28 AM

It's a Dell Dimention 5150 (Dell DM051).
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a c 146 } Memory
a c 328 V Motherboard
April 16, 2012 3:35:03 AM
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Dell Dimension DM051 Specification


Memory Type: DDR2
Memory Speed: PC2-3200, PC2-4200
Chipset: Intel 945G
Memory Type:
Memory Slot(s): 4
Max. Memory Per System: 4096MB (4GB)
Max. Memory Per Slot: 1024MB (1GB)
Install Memory in Pairs: Not Required
April 16, 2012 3:42:06 AM

Thanks for your interest. Can I ask if that means that when I'm looking for new RAM, it must be listed as the same speed as listed there? Like I said, the RAM I'm looking to replace is 'PC2-4200u' - Must whatever I buy to replace it have this as part of the spec?

Edit - After seeing your shopping results list I can see that's a 'Yes'. Thanks alot!
a b } Memory
a c 118 V Motherboard
April 16, 2012 3:44:01 AM

page 103 of user manual use this and select your model to find the one that will work http://www.corsair.com/learn_n_explore/ most memory maker have system call memory finder
a c 146 } Memory
a c 328 V Motherboard
April 16, 2012 3:49:17 AM

It is about what your mobo can handle by the design.

Dell Dimension DM051 Specification


Memory Type: DDR2
Memory Speed: PC2-3200 or PC2-4200
Chipset: Intel 945G

Memory Type:
Memory Slot(s): 4
Max. Memory Per System: 4096MB (4GB)
Max. Memory Per Slot: 1024MB (1GB)
Install Memory in Pairs: Not Required
a c 146 } Memory
a c 328 V Motherboard
April 16, 2012 3:53:38 AM

Your mobo is old by today's standards, made by the Dell and might not OC the RAM at all.

If u will get faster RAM,

it may not boot at all or it will downclock the RAM back to PC-4200.

And it will handle only 1GB RAM sticks size.
April 16, 2012 3:54:40 AM

Great, I now know what I'm looking for. Thanks Nikorr, and Scout_3 for your quick help!

P.S - I'd mark this as solved if I knew how :D 
a c 146 } Memory
a c 328 V Motherboard
April 16, 2012 3:58:19 AM

SteveC86 said:
Great, I now know what I'm looking for. Thanks Nikorr, and Scout_3 for your quick help!

P.S - I'd mark this as solved if I knew how :D 


When u post next time, post as a Question, not as a Discussion thread.

Only Question thread will offer u to award the Best answer.

I changed it this time and as u can see now, it has the Best answer button.
April 16, 2012 4:01:39 AM

Best answer selected by SteveC86.
a b } Memory
a c 135 V Motherboard
April 16, 2012 8:17:13 AM

This topic has been closed by Maziar
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