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jpm27

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#1 jpm27
Member since 2003 • 363 Posts
[QUOTE="jpm27"]

[QUOTE="RazorGR"]

On its own one hour of prime is nowhere near enough. But passing 1-2 hours of IBT or linx which is much more stressful for the cpu, usually means you won't fail in prime 95 cpu stress test (not always but a lot of the time, you should do some blend tests as well to stress the system as a whole too). Seeing that you left vcore on auto though it's less likely to become unstable since auto gives the cpu more voltage than it really needs for that frequency.

gameguy6700

Well I did run IBT and an hour of Prime 95 in addition so I'm feeling pretty comfortable right now. If I have some time later I might give Prime 95 a longer run. On a side note it always amazes me the wide range of advice when it comes to this question. Although it seems that everyone (except one) recommends some form (and length) of stress testing.

BTW, when you say you've run IBT, how many passes did you do? 20 passes seems to be the recommended amount I hear get tossed around a lot.

I've done 15 passes, just about an hour of running.
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#2 jpm27
Member since 2003 • 363 Posts

On its own one hour of prime is nowhere near enough. But passing 1-2 hours of IBT or linx which is much more stressful for the cpu, usually means you won't fail in prime 95 cpu stress test (not always but a lot of the time, you should do some blend tests as well to stress the system as a whole too). Seeing that you left vcore on auto though it's less likely to become unstable since auto gives the cpu more voltage than it really needs for that frequency.

RazorGR

Well I did run IBT and an hour of Prime 95 in addition so I'm feeling pretty comfortable right now. If I have some time later I might give Prime 95 a longer run. On a side note it always amazes me the wide range of advice when it comes to this question. Although it seems that everyone (except one) recommends some form (and length) of stress testing.

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#3 jpm27
Member since 2003 • 363 Posts

Its fine, if it is going to crash it usally will crash very quickly. But take the temps you get with prime95 to really mean nothing, almost in no cases will your cpu be totally maxed out for a long period of time

James161324
I figured as much but like I said it's always nice to get others' opinions/advice.
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#4 jpm27
Member since 2003 • 363 Posts

[QUOTE="jpm27"]

OK so I decided to take my 2700k to 4.5ghz for the first time. I'm not a terribly experienced OC'er and this is the first time that I've done it with an Intel CPU. So my question is this: Given SB's overclocking friendliness and that 4.5ghz is commonly achieved, would you feel comfortable with only running an hour of Prime 95 after already running Intel Burn Test with no errors? I've seen recommendations for running Prime 95 from everything from 30mins to 24hrs. What do you guys think?

jonleeprice

So if you have a car or want one, are you going to run it at max revs for an hour on a rolling road so see if its reliable.

Not quite sure what you're getting at. Are you saying testing is a waste of time and as long as I can get it to 4.5 I shouldn't worry about it? Or are you saying that I should test it longer than an hour?
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#5 jpm27
Member since 2003 • 363 Posts

[QUOTE="jpm27"][QUOTE="Postmortem123"]

What volts are you putting through it?

Postmortem123

I took the easy way out and just changed the multiplier, left the voltage on Auto. CPU-Z showed it as never going higher then 1.28-1.29.

Ah ok - I was gonna see if I could take my 2500k to 4.5Ghz, but I think that's too much voltage for my cooler:P

Anyways, enjoy your CPU:D

One of the guides I was looking at suggested to set the voltage right to 1.35 for 4.5ghz, so I'm happy that I seem stable without going quite that high. I might try and push it a little higher sometime down the road, but I really don't need to right now. Actually I don't think I really need the 4.5ghz but I couldn't have this cpu and not OC it lol. and thanks!

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#6 jpm27
Member since 2003 • 363 Posts

[QUOTE="jpm27"][QUOTE="Postmortem123"]

An hour should be plenty.

Postmortem123

Cool. Never got above 63c. It was easier than getting my old PII 940 Black to 3.5ghz. The 2700k doesn't really seem to be breaking a sweat, whereas the Phenom seemed to struggle just to get to 3.5 (although I do know others were able to get it as high as 4.0, I think I just had a bad chip for OC'ing.

What volts are you putting through it?

I took the easy way out and just changed the multiplier, left the voltage on Auto. CPU-Z showed it as never going higher then 1.28-1.29.
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#7 jpm27
Member since 2003 • 363 Posts

An hour should be plenty.

Postmortem123
Cool. Never got above 63c. It was easier than getting my old PII 940 Black to 3.5ghz. The 2700k doesn't really seem to be breaking a sweat, whereas the Phenom seemed to struggle just to get to 3.5 (although I do know others were able to get it as high as 4.0, I think I just had a bad chip for OC'ing.
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#8 jpm27
Member since 2003 • 363 Posts

an hour should be fine. it only matters if it crashes while your doing something, if it does then scale the overclock back a bit.

seercirra
I figured as much but figured I'd get some second opinions to feel better. Thanks!
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#9 jpm27
Member since 2003 • 363 Posts

OK so I decided to take my 2700k to 4.5ghz for the first time. I'm not a terribly experienced OC'er and this is the first time that I've done it with an Intel CPU. So my question is this: Given SB's overclocking friendliness and that 4.5ghz is commonly achieved, would you feel comfortable with only running an hour of Prime 95 after already running Intel Burn Test with no errors? I've seen recommendations for running Prime 95 from everything from 30mins to 24hrs. What do you guys think?

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#10 jpm27
Member since 2003 • 363 Posts

They are NOT going to support DX 10 cards on windows 8, there is no reason why someone with a 4870 shouldnt get windows 8 but AMD will only support those products on windows 7.

Yes it will run windows 8 but no driver updates whatsoever.

[QUOTE="ronvalencia"]And then, NVIDIA turns around and gimps GTX 680's double precision floating point compute for one of Windows 8's feature points. Gambler_3

Nobody cares.

So you think that someone with a 4 year old card is gonna jump right on a new OS? If you're card is that old I'm pretty sure most gamers would be thinking about upgrading to a new card before a new OS. If they aren't they should probably reconsider their priorities and what is going to gain them more performance. Also I haven't seen anywhere that the drivers for 8 will be different from 7 the way it was when it went from XP to Vista. Maybe I missed something somewhere but it seems as if you're implying that the 4xxx series won't work on 8 because of the change in cycle with driver updates.