Bob McConnell wrote: > Jake Shipton wrote: > > Akemi Yagi wrote: > >> Keith Roberts wrote: > >>> I have run one full test and got no errors on the memory > >>> module. Is it worth keeping it running overnight, just to > >>> see if temperature changes will afect the test? > >> I had a system that started crashing randomly. I ran memtest overnight > >> (about 10 hrs) but it did not report any errors. Next time I extended > >> the run to 18 hrs or so and finally saw errors. Replacing the RAM > >> solved the crash problem. So, I would recommend running memtest for > >> one full day. > >> > > I agree. Usually, when systems crash due to possibly memory related > > errors I let them run testing for 24 hours, or if they have lots of > > memory possibly longer (48 hours) to allow all memory to be fully > > tested. :-) > > > > And make sure you button the cabinet back up, with all covers in place > and put it back on the rack where it normally sits. Running this test > with the case open or sitting in free air is a waste of time unless that > is how the system usually operates. All memory testing has to be done > under normal working conditions to get the maximum benefit. And, you're using reasonable precautions against ESD, right? http://www.intel.com/design/packtech/ch_06.pdf The sad thing is, most ESD problems don't show up right away. -- Charles Polisher