DDR RAM issue

Lenovo Thinkcentre m58e mini-tower deskt...
February 7, 2010 at 04:48:55
Specs: Windows 7, 8Gig
I have an issue with the memory, I think it is the memory controller difference, both IBM 8303 and 8171 use DDR RAM. But only some of my DDR works on both PC and some only work on 8303 and not 8171. Can someone give me an explanation why?

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#1
February 7, 2010 at 06:11:02
Simple solution would be for you to look up the specs on each machine. Compare the processors and the mobo specs.

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#2
February 7, 2010 at 07:00:00
I already did that RAM is based on motherboard chipset, and both of them listed as DDR, nothing to do with CPU or any other parts of the system. It maybe the design of the RAM chip. I am not sure.

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#3
February 7, 2010 at 07:11:48
Are the voltage specs the same on all the chips?

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#4
February 7, 2010 at 07:17:46
I can't tell unless I plug them into working computers and I don't have access to that at the moment. When the RAM doesn't work it will just give me memory error post beep.

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#5
February 7, 2010 at 21:22:02
Your motherboard manufacturer should have a list of compatible memory (as well as the usual list of compatible processors) on their website.
You can get info on your RAM from stickers on them or by installing a utility CPUID CPU-Z (cpuid.com) , it will list specs read off of your RAM including current voltage and compatible voltage so you can adjust BIOS settings for compatibility if they are not setting correctly automatically. Multiple sticks are best run when at least the voltages are the same spec's, and for MB's that are dual channel, they must be matching sticks.

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