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    How to stress test the reliability of 8GB memory modules on a laptop

    Discussion in 'VAIO / Sony' started by sniper_sung, Oct 23, 2009.

  1. sniper_sung

    sniper_sung Notebook Evangelist

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    Just tried Memtest86+. Not sure whether it supports more than 4GB. The name "86" reminds me about the 32-bit OS problem: usually it cannot address more than 3GB (both Windows and Ubuntu), and each single process can only utilize up to 2GB (without the /3gb switch).

    It's the first time that I've realized 1066MHz is way too slow for 8GB capacity. It takes about 2 hours to finish a pass. On previous setups (e.g. 2GB 533MHz, or 1GB 333MHz) it takes only about 1 hour to finish a pass.

    I have spent 18 hours of memtest86+ on these 8GB and it looks like it didn't return any error during all the 9 passes. What's the expectation of number of errors the memory will encounter within one week, if I ever plan to use my laptop for a 7x24 computation? (AC adapter plugged + battery loaded, with only one core at 100% load, i.e. 50% load for the P9600, at a temperature of about 65 degrees centigrade)
     

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    sniper_sung, Oct 23, 2009
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