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#11
RAM timings all look good. Have you tried running with one module at a time? If not, do the following: Do your normal routine through Windows with one module at a time. Test each module slot with each module. Try to find a module and slot that do not cause crashes. Test the other modules in the good slot, and test all slots with a good module. Make sure to follow the ESD safety steps to the best of your ability in post #4 of this thread.