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Am I overclocking this i5 2500k/GA-Z77-D3H properly? I'm afraid I'm doing something very wrong... - Page 7

post #61 of 117
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4.4GHz, multiplier at 44
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post #62 of 117

Oh, then 1.344V is about average for this.  Not bad.  ;)

 

If you want to shoot for 4.5 GHz, then I would keep playing with it tonight (but that's me:  I like to play!).  If you want to run 4.4 GHz for a few days or a week or more, then testing for about 12 hours would be a good thing to do for that just to see if you still need to do any adjusting..

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post #63 of 117
Depending how high you want to go, you might want to adjust your PLL, 1.8 is fairly high once you get to 4.5+. I used to run around 1.7-1.72 on my old 2500k rig. Generally doesn't matter for lower clocks though. Just a tid bit if you start failing as you increase your OC.
 
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post #64 of 117
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If I try to shoot for 4.5GHz, should I keep the voltage as it is or set the Vcore o Auto?
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post #65 of 117

My PLL is set to Auto (1.8V) for 4.7 GHz, and it's working very well.

 

 

Quote:
Originally Posted by Icekilla View Post

If I try to shoot for 4.5GHz, should I keep the voltage as it is or set the Vcore o Auto?

 

I expect that you'll need to increase it a bit so that it's at least 1.352V under load.  Of course, that remains to be seen with testing.

 

I don't know if I would use Auto because it's better suited for stock clocks.

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post #66 of 117
Thread Starter 
In that case, I'll give it a try at 4.5GHz, increasing the Vcore to 1.355V.

Test 2 @ 4.5GHz, running Blend test wth 1600MB of RAM, Prime 95

Vcore running @ 1.355V
Voltage calibration set to medium
CPU PLL @ 1.8V (Auto)
Core Voltage reported by CPU-Z: Oscillating between 1.344V and 1.356V, mostly sitting at 1.344V
Max temp registered at burntest: 73ºC
Edited by Icekilla - 12/13/12 at 5:46pm
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post #67 of 117
Thread Starter 
Ok, it's been running for 25 minutes like this already and it hasn't crashed. The results I listed above haven't changed one bit.

I don't want to go further with the overclock, so I guess we should stop raising the multiplier here and proceed with stability tests to see if 4.5GHz is stable.

What do I do now?.

EDIT: Nevermind, got a 101 BSOD. Shoul I increase Vcore now to 1.36V?

Just as a sidenote: I set the Vcore to Auto and the Motherboard is setting it at 1.428V, which I think is way too high.
Edited by Icekilla - 12/13/12 at 6:08pm
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post #68 of 117

Since it only lasted about 25 minutes, I might even increase the voltage 2-3 "notches" up.  Although, some people will literally only go up one notch at a time until it can seem to run a stress test "forever".  Personally, I did something like this and then I increased it another couple of notches (just enough to see an increase in CPU-Z under load) and called it good.  So what I did was just one of the ways some people do it:  slowly increase the voltage to find the lowest necessary voltage, and then increase it just a hair more right after - even if you got it to pass 25 hours or something.  lol  It's like extra assurance.

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It's a computer!
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250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
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post #69 of 117
Thread Starter 
Test 3 @ 4.5GHz, running Blend test wth 14GB of RAM, Prime 95

MotherboardVcore running @ 1.365V
Voltage calibration set to medium
CPU PLL @ 1.8V (Auto)
Core Voltage reported by CPU-Z: 1.356V
Max temp registered at burntest: 69ºC
Result: 101 BSOD after 15 seconds

Will try again with 1.37V for Vcore, alright?
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post #70 of 117
hell i cant believe that 2500k needs 1,428 in auto volts.
personally i would set vcore to 1.4v and run prime custom blend with 12600mb of ram at 10 minute fft for the next 8 hours. if thats stable, drop pll voltage to 1.71v and run it another 8 hours. if its still stable, drop vcore by .010v and run for 8 hours. once it goes blue screen, go back up .010v and run prime for 16 hours with the same custom test.
this is all just what I (EYE) would do. yes emphasis on the letter i. ME lol
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