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I don't even know what stable means anymore......

post #1 of 13
Thread Starter 
A couple weeks ago I ran a Intel Burn Test 20 times using 7300mb of memory before manually stopping the test - 3.8ghz @ 1.488v, no vdroop according to CPU-Z.

Today I ran at the exact same clocks and memory.....and crashed just after 20 loops (don't know exactly when, just that is was past 20.) The crash happened over 2 hours into the test.

I'm seriously thinking of going back to stock clocks as I cannot take much more of this.
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post #2 of 13
Use something different to stress the OC. I always test mine with OCCT. Used to go overboard on duration, but I have since found out that anything that passes 2hrs30mins of OCCT Linpack has never failed me. Has held true for my past PII 965s, AII X4s, and my current i7.
 
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post #3 of 13
I've never really personally liked IBT before. It does push your temperatures a lot harder than other stress testing programs, but I find it also to be a lot less reliable in the end. Just my opinion.

I personally always do this when it comes to overclocking. (Speaking as if my entire system was stock, INCLUDING MEMORY: AUTO/1333).

I'll do my overclock in the BIOS, go to Windows, open CPU-z, Realtemp, and Prime95. I'll run Prime95 blend. If the overclocking is still going strong after 11-12 hours, that's 24/7 stable in my opinion.

My rig passed 11 and a half hours of Prime95 blend about two weeks ago and hasn't crashed since in games, windows, anything. I also leave it on 24/7, and it hasn't crashed during idle time.

To be honest, I'd give Prime95 a shot. If an overclock is really unstable, it'll fail within the first 5-30 minutes. That's what I've seen happen.

After I get my final overclock stable, I'll go back into the BIOS and set the memory from AUTO/1333 to its advertised DRAM Frequency, timings and voltages. I'll then run Prime95 Large FFTs for the same amount of time 11-12 hours, and if it lasts that long it's 24/7 stable to me as well.

That's the way I've been doing things. I haven't had my rig crash in about two weeks. If it does, I'll let you know.
post #4 of 13
Thread Starter 
Quote:
Originally Posted by theonedub View Post
Use something different to stress the OC. I always test mine with OCCT. Used to go overboard on duration, but I have since found out that anything that passes 2hrs30mins of OCCT Linpack has never failed me. Has held true for my past PII 965s, AII X4s, and my current i7.
Hmm. I ran OCCT for 2 hrs once and it passed......after 10 mins in IBT it crashed. I'll try the extra 30 mins in OCCT and see if it crashes like it does in IBT.
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post #5 of 13
Ive tried skimping down to 2hrs15min and have had failures. 2hr30min seems to be the sweet spot for me and my PC runs BOINC 24/7 100% load and never has any errors (or failed WUs). Folds stable too.
 
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post #6 of 13
Thread Starter 
Quote:
Originally Posted by theonedub View Post
Ive tried skimping down to 2hrs15min and have had failures. 2hr30min seems to be the sweet spot for me and my PC runs BOINC 24/7 100% load and never has any errors (or failed WUs). Folds stable too.
Alright thanks man. I initially wrote off OCCT because it still was fine after 2 hrs but crashed in other apps. I guess its not linear as far as time/stability goes. Some apps will crash more after a longer time while others will crash sooner but less often.
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post #7 of 13
i just ran Prime torture tests for like 1 hour and then switched to prime normal tests for around 2 hours my oc passed em all and its nice and stable biggrin.gif
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post #8 of 13
Maybe you should also run some gaming sessions with Crysis ,Stalker-Clear Sky /Call of Prypiat or Metro.If you re ok after 6 hours of those i think you re good to go.
   
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post #9 of 13
Thread Starter 
Quote:
Originally Posted by theonedub View Post
Ive tried skimping down to 2hrs15min and have had failures. 2hr30min seems to be the sweet spot for me and my PC runs BOINC 24/7 100% load and never has any errors (or failed WUs). Folds stable too.
After 4.75 hours of OCCT linpack I got an error - 3.7ghz@1.4v.

Sick of this overclocking BS, I'm going back to stock. Too bad I already bought an expensive aftermarket cooler.
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post #10 of 13
Sorry to hear that. Everyone says 'stable' is subjective so if the clocks hold up to what you are doing (whether that be games, Folding, encoding, or what have you) there is no reason to not use them. It's stable enough, right?
 
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