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Memtest experts required...

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  • Memory
Last response: in Memory
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March 30, 2010 10:19:57 PM

... for a simple question: I ran memtest for 8 hours and 40 minutes and completed 7 passes and a half. The thing is: the first pass only took 40 minutes to complete. So in theory, 7 passes and a half should have completed much earlier (7.5 x 40 min = 5 hours).

Is it normal for pass completion time to vary, and in my case, take far longer than the first pass as the test runs on?

More about : memtest experts required

March 31, 2010 8:48:07 AM

kayronlim said:
... for a simple question: I ran memtest for 8 hours and 40 minutes and completed 7 passes and a half. The thing is: the first pass only took 40 minutes to complete. So in theory, 7 passes and a half should have completed much earlier (7.5 x 40 min = 5 hours).

Is it normal for pass completion time to vary, and in my case, take far longer than the first pass as the test runs on?


Some tests insert random values onto ram. Some tests are also a bit random on which portions of the memory they test.
March 31, 2010 9:32:14 AM

amnotanoobie said:
Some tests insert random values onto ram. Some tests are also a bit random on which portions of the memory they test.


So it's normal for some passes to take longer to finish than others because the tests write to the computer in different ways everytime?
March 31, 2010 9:57:13 AM

kayronlim said:
So it's normal for some passes to take longer to finish than others because the tests write to the computer in different ways everytime?


Safer and easier to assume that some passes take longer or vary in time. What is important at the end of the day with memtest is find errors if there are any.

Here's the description for the tests:
http://www.memtest86.com/tech.html#descri

Personally I just look if memtest completes a few passes without errors rather than the number of passes done.
!