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Can a high clock cause dmg?

post #1 of 16
Thread Starter 
When I bought my system my goal was to hit 4GHz.

I was prime stable(small ffts) for 2 and a half hours before I decided to stop and run memtest. VCore was 1.216, seems very low. (I know 2 hours doesn't mean it's stable yet but even if it's I shouldn't have to increase the vcore much, i think?)

Should I try to push it past 4? Will it cause damage? (I'll be monitoring temps and won't push vcore past 1.365)
post #2 of 16
Watch your temps and keep them under 55c. Set your mobo to warn you, or shut down over 60c. Then let that stress test hit 12-24 hours. Do not use memtest, use prime 95 x 2 threads or everest.
Keep an eye on the temps!
There is a thread on here now called Official overclocking tools. Download that package
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post #3 of 16
High FSB won't kill your cpu. Too high voltage will though.
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post #4 of 16
Heat also is a byproduct of voltage and will also blow a CPU... Too much voltage will increase temps ALOT and will cause crazy behavior and damage. Also make sure to find the max voltage for your particular CPU because while it may not overheat exactly but if its overvolted you can erode the space in between the transistors which will allow voltage to seep through causing permanent damage
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post #5 of 16
acording to intel, the max temp for the e8400 is 71. you should be fine under 65c just to play it safe
post #6 of 16
Thread Starter 
Quote:
Originally Posted by Dreko44 View Post
Watch your temps and keep them under 55c. Set your mobo to warn you, or shut down over 60c. Then let that stress test hit 12-24 hours. Do not use memtest, use prime 95 x 2 threads or everest.
Keep an eye on the temps!
There is a thread on here now called Official overclocking tools. Download that package
I used prime 95 to test the cpu. But I wanted to tweak the memory so I used memtest 86 which detected errors in my ram, even underclocked with 2.1-2.2 volts one stick of ram always had errors.

So I guess It is safe to push it farther as long as I keep my vcore low (1.35 would be the max that I would go) and my temps low.

Hopefully with my true installed now my temps will decrease. According to realtemp my temps were at 53-55 which I thought was too high for my vcore. I was using the vendetta 2 at the time. I don't think i had enough pressure however. I originally used the pushpins, which i hate now, then used a lga 755 bolt thru kit. I must say however, the vendetta 2 is kinda hard to mount. The fins get in the way of the screws, and the pushpins, making it hard to screw down and hard to use the pushpins. the TRUE was so much easier to mount.
post #7 of 16
thats exactly what I use for mine.. HOWEVER note that the MAX voltage a E8400 will take is 1.36v or a tad more for short periods so you will hit the voltage limit WAYYYY before a heat limit...

Also the best thermal sensing program for a 45nm chip like ours is RealTemp so download that

sorry didnt see your post so it looks like your GTG
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post #8 of 16
Clock speed does not kill any PC component, voltage and heat kills the componet. If you are magically able to run at 5.5Ghz on air with safe vcore and temps the CPU will still live as long as it would at a lower speed with the same voltage and temps.
     
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post #9 of 16
Thread Starter 
thanks for all the responses. I know everyone says that 1.365xxx is max, but is it safe for 24/7? I've not read any posts where people have fried their chip with 1.365 but doesn't mean it has happened. Maybe it would be better to get max oc at low 1.3 (1.32 or so) ?

Also was wondering when people say stress test for 12+ hours on orthos / prime. what test exactly?(Small ffts, large, blend)
post #10 of 16
I think blend for the long tests but small for a quick stability test just to see if your gonna be able to get any further without testing for hours...

Also 1.365 imho would be safe 24/7 but i really dont think the limit 24/7 is EVER a good idea so on mine i try to stay under 1.35 for my 24/7 setup but up it for benching...
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