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Old 03-09-2005, 12:13 PM   #1 (permalink)
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Default Memory Question

im updatign my dads computer for him, it cuurently has 128mb DDR PC2100 Ram.

I want to upgrade to 512mb.

I defiently want toget it off overclickers.co.uk but im not sure what the difference is with the 2 different types of ram available. There is CAS2.5 and ECC. Whats the difference and which 1 should i go for?

http://www.overclockers.co.uk/acatal...ial_Value.html
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Old 03-09-2005, 12:27 PM   #2 (permalink)
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Those are two different things.

ECC is an Error Checking Code-its a feature that basically checks for errors. Its slows down the RAM module, so its usually only used in servers, where one tiny error could bring down an entire network. It also makes the module more expensive. Get non-ECC.

CAS latency has something to do with the speed of the module, combined with bandwidth I think, not so sure on it. I think lower is better though.

Good going with crucial.
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Old 03-09-2005, 12:30 PM   #3 (permalink)
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ok thanks! So i should go with the 512mb Cas2.5 Ram yes?
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Old 03-09-2005, 12:38 PM   #4 (permalink)
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First you should check out the stats on the motherboard to find the max mhz for ram that your board will handle and go that mhz memory and you want non-ecc memory.make sure the voltage matches the board also.Other than that its pretty hard to tell without knowing what board you're talking about.
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Old 03-09-2005, 12:39 PM   #5 (permalink)
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Yah, go for it.
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