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CPU burn in is real, and oh my does it rock!!!!

E

EdipisReks

Platinum Member
i put the system in my sig together early this week. at first i could only run at 2.133gHz with 1.75 volts. anything higher would not work (and i didn't want to go above 1.75 volts with the stock heatsink). after 5 hours of prime95 i could run at that speed with default voltage. i could also run at 2.320GhZ at 1.75 volts! after another 5 hours of prime 95 i could run 2.320 at 1.55 volts! a couple days go by, some more prime95 is run, and i game a lot. i just discovered that i can seemingly run 2.48gHz at 1.65 volts fine! my ram is holding me back, though, as i have to set the active to precharge delay back to 6 from the setting of 5 that i was running it at at an FSB of 600. in the nature test the cpu seems to clock throttle (my FPS goes from 45, which i get at 2.32 and 2.4 gHz, to 35 at some points), and my temps (measured with motherboard monitor 5) are about 65 degrees when i get out of 3dmark. i am getting an AVC sunflower and some arctic silver3 on tuesday, and i think 2.48 should be absolutely fine with that heatsink. does anyone else know how much the active to precharge delay speed for the ram affects anything, speed wise? all the other ram settings are the most aggressive (cas 2, cas to ras, and everything but the active to precharge delay are set to the fastest settings).

all hail mighty CPU burn in!

--jacob
 
hmm.. I don't know about burn-in.

Sometimes it seems to work, and others it does not. Well, its good it worked for you😀
 
on my previous athlon system there never seemed to be any burn in. it ran at the same speeds and temps the whole time i had it. i've never seen anything like this before. hey, sometimes there are good surprises in life 😀.

--jacob
 
wow, thats awesome. kinda reminds me of my celeron 533a, after a few weeks of use it was stable at 896, but originally it would only do 800 ...

Congratulations.
 
maybe its the thermal pad?
its supposed to get better once you run it hot for a while.
 
that thermal pad never touched the CPU. the first thing i did was lap the heatsink and the CPU's heatspreader.

--jacob
 
it only took about half an hour. i used a piece of glass, 320, 600, 1000 and 1500 grit sand paper, and some water. the heat spreader was REALLY uneven out of the box.

--jacob
 
The thermal pad thing is correct. I was too lazy to take the thermal pad off and replace it with some AS3 so I just used it stock. It was running at 45c at full load originally, but after I did a bunch of benchmarking and stuff, the temp came down about 5 degrees. Then I overlcocked it and it went back up that 5 degrees. After some more benchmarking and gaming, it is now back down 5 degrees again. I haven't tried overclocking any more though, I'll have to try that when I finally get my intake fan in.
 
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