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How to run Prime95?

post #1 of 3
Thread Starter 
I just upgraded my cooling (new case, new fans, new cooler), and now I'm trying to see if I can get a little more out of my q9650 - heat was a significant limiting factor in my previous overclocking attempts. I last worked on overclocking it a couple of years ago, and since then, I've kind of forgotten how to use Prime95. I've come to rely on IntelBurnTest for quick checkups. Now I want to use Prime95 Blend to back up my IBT results, and I'm not sure exactly how to do it.

When I use IBT, I turn off my firewall and antivirus, along with a bunch of services, like Superfetch and Windows Search and any 3rd party stuff I have running, as instructed by a bunch of guides that I found online. (I also disconnect from the internet.) I checked a bunch of online guides for Prime95 - I swear - but none of them talk about what (if anything) to do about services and other background programs while running Prime95. Do I leave things pretty much as is when I run Prime95, or do I turn off any particular background programs? Should I disconnect from the internet, or not?

Thanks for any help.
post #2 of 3
I don't see what disconnecting from the internet would have anything to do with a stress test to see if you're stable.

Either way, I don't do any of that stuff. I just fire up P95, Real Temp, and CPU-z, and then head to bed. If I wake up and it's still running strong at or after 11 hours with decent temps, then good.

Once I do that, I'll bring my memory from AUTO or 1333 to its advertised frequency, timings, and voltage (if it isn't already). I'll then fire up P95 Large FFTs, and do the same thing. If it's running strong after 11 hours, then I consider my RAM to be stable at its advertised settings.

If you're really concerned about all of that stuff... Start>type msconfig>General>Change it from whatever it is (assuming normal boot) to selective boot.
post #3 of 3
Thread Starter 
+1, thanks for help. Yeah, the disconnect-from-internet thing is something that I thought I recalled from prior use of Prime95, and I think I saw it on an IBT guide. They appear to be fairly different programs, though, with different requirements for proper usage. Proper use of IBT seems to depend on giving the program every KB that your computer can spare, so turning off unnecessary services is suggested for best results. Prime95 doesn't seem to need any help taking over your system's resources. I think turning off Windows Update may help, if you've got it set to Automatic/Restart, but I don't.
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