EEC and CL question - Techist - Tech Forum

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Old 01-22-2005, 01:32 PM   #1 (permalink)
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Join Date: Dec 2004
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Default EEC and CL question

I'm buying some new memory and can get EEC memory cheaply, is it OK to use this on any mobo, or does it have to be EEC compatible?

Plus, what's cas latency? Is it the amount of time the memory can hold it's data fotr between refereshs? And how does this affect my system?

Any help appreciated!


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Old 01-22-2005, 03:26 PM   #2 (permalink)
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Basically your memory has cells with unique addresses based on what row and column they are on. The chip set reads the row of the memory matrix using RAS, then the column using CAS.

The latency between reading the row and column is called RAS-to-CAS Display and the time between reading the column and actually providing the information is called CAS Latency.

RAS - Row Address Strobe
CAS - Column Address Strobe
Latency - Time Taken/Delay

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Old 01-22-2005, 03:30 PM   #3 (permalink)
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...and I believe ECC is slower than non-ECC because it is an error correction feature that corrects bit-errors. You don't really need this if it is a personal computer and I think your mobo needs to state that it is supported.
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