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 Sandy Bridge Overclocking V2 | 2500K/2600K/2700K, The Journey Continues Here... :)

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scriptkiddo
post Mar 31 2013, 02:12 PM

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Hi guys, i overclocked my 2500K to 4.6Ghz but i am facing some problem when running LinX & Intel Burn Test

RAM Frequency:: 2133Mhz
VCORE:: 1.4
DRAM:: 1.65
others voltages are set to auto

Prime95 Max Temps
In-place FFTs :: 78C(MAX)
Blend Test:: 77-78C(MAX)

LinX test
Problem Size: 30600
Memory : 7168
Run: 20 Times

Intel Burn Test
Time to run :: 20
Stress Level:: Maximum
Threads:: All

i get error 0x101 & 0x124, which if im not mistaken means increase VCORE, but VCORE is already @ 1.4V, isnt it high for a 4.6Ghz OC, i have been keeping this setting for 2 weeks now, no problem until i encountered some lagging issues while playing FIFA, previously it was fine, even at stock setting FIFA runs smoothly. So i tested with LinX & Intel Burn Test, got blue screen redi with 2 types or error codes shocking.gif . Max temps for LinX before blue screen was 82c & 80c for intel burn test. I am really confused with where i am doing it wrongly, guide needed pls notworthy.gif

This post has been edited by scriptkiddo: Mar 31 2013, 02:35 PM
scriptkiddo
post Mar 31 2013, 03:13 PM

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QUOTE(owikh84 @ Mar 31 2013, 03:33 PM)
What's the code of the BSOD?
I suspect it's related to insufficient vCore. Try upping your vCore slightly.
Good luck
*
the code is 0x101 & 0x124, i increased to 1.43V and runned intel burn test
Set:20
Stress Level: High (2048MB)
All Thread.


temps are rocketing to 86c on my CORE 2 bro. How bout PLL voltage its auto currently.
scriptkiddo
post Apr 5 2013, 07:10 PM

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QUOTE(owikh84 @ Mar 31 2013, 06:30 PM)
BSOD codes for overclocking
Then confirmed it is insufficient vCore. Bump it up until no more BSOD.
*
Bro now no BSOD redi, intel burn test results as below:-

Settings:: HIGH
user posted image

Settings:: VERY HIGH
user posted image

i get a stable GFlops for both this test, but for my LinX i get around 60-70 GFlops, is it normal?. In addition i still get some very minor lag while playing FIFA

My Current OC Setting::

user posted image

DRAM Voltage: 1.65v
user posted image

This post has been edited by scriptkiddo: Apr 5 2013, 10:09 PM
scriptkiddo
post Apr 6 2013, 02:26 AM

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QUOTE(owikh84 @ Apr 6 2013, 01:05 AM)
60-70 GFlops is abnormal. You should get 120+ with 2500K, provided that you are using the LinX posted in post #1 and win7 SP1 onwards.
*
Ya im using the LinX posted in 1st post with Win7 SP1. Maybe increase Vcore a little more? currently @ 1.425v
scriptkiddo
post Apr 6 2013, 09:56 AM

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QUOTE(owikh84 @ Apr 6 2013, 09:47 AM)
Your screenshots are too small. Should have cropped them for better view.
Alright after zooming in your VERY HIGH level screen a little bit finally I could see your GFlops was actually started with ~125 then dropped to 60-70+ after a few loops. This shows that you're running at a performance drop, which is abnormal. Let's forget about the HIGH level as it doesn't really show max stress.
So try increasing your vCore slightly and see. There might be a possibility that there is something overheat on your board, that's why the performance is throttled down giving an inconsistent Gflops. You shoud monitor all the related temps with Asus AI Suite or any other temp monitoring app. Your core temps look fine as long as they don't hit TJmax of 98C.
*
Sorry for the low resolution screenshots bro my bad doh.gif bro aniway i ran LinX again yesterday increasing Vcore to 1.43. Increased GFlop around 130GF, but dropped again halfway, so i guess i am facing performance drop.
user posted image


I dont get any warnings except for CPU. It always shows up a pop up "CPU 71-74 Centigrade".
This warning is intended for the CPU temps right?. Below is the screenshot showing the warning in ASUS AI Suite

user posted image

performance drop because of high CPU temps?

This post has been edited by scriptkiddo: Apr 6 2013, 10:11 AM
scriptkiddo
post Apr 6 2013, 04:54 PM

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QUOTE(owikh84 @ Apr 6 2013, 11:25 AM)
The mobo BIOS and AI Suite always record CPU temp, which is different from core temps. Normally we will pay attention on the core temps as it is related to TJmax. Nothing wrong with the CPU temps reading it works just normal.

What you need to look is at other temps such as mobo especially the VRM area, it tends to get hot at continuous stress. Make sure that your rig has a good air ventilation and flow. So that it doesn't get toasted so easily. From the pics seems like several critical points of your mobo around the CPU are normal. So it must be something else that cause the inconsistent GFlops and performance drop half way.

I could be a RAM issues. Having the GFlops cut to half is like a drop from dual channel to single channel bandwidth. Try running with 2 sticks (modules). Good luck.
*
Sure bro, will do that and get back to you thumbup.gif
scriptkiddo
post Apr 7 2013, 09:43 AM

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Bro Owikh, i upped Vcore abit to 1.435, ran LinX and got a constant GFlop values biggrin.gif

user posted image

so is my OC a pass nw? Btw 1.435 for 24/7 use safe for a 4.6Ghz OC or too high? so far lower Vcore gives lower results in LinX hmm.gif
scriptkiddo
post Apr 7 2013, 11:03 AM

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QUOTE(owikh84 @ Apr 7 2013, 10:51 AM)
Congratulations bro. Well done on the 130 GFlops! The vCore looks fine for average chip so you would be fine.
You got nice temps too so don't worry it is perfect for 24/7.
*
Thx for all the guide Owikh bro without yr advise would be still lost notworthy.gif niway bro still have some idea too push the CPU a little further, not now but maybe in few weeks times. Now planning to really check the stability and if possible further fine tune the settings if possible. Btw bro js a little doubt, if the GFlops are fine will there be any chance of me to face any lag or stutter when playing games? I tried playing borderlands 2, Counter Strike Online, NFS Most Wanted 2012 all fine....but my fifa face some kind of stutter every now and then its been happening recently but can OC have any potential chance to cause any lag? Cause OC is meant to remove the bottleneck we often face right? tongue.gif
scriptkiddo
post Apr 8 2013, 01:56 AM

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QUOTE(LancerGT @ Apr 7 2013, 03:12 PM)
I'm using thermatake water 2.0 pro with push pull without aircond,I think need go for corsair h100.
*
Bro 82c when running stress tests are still fine, as quoted by Owikh bro as long the temps stays below 98c its ok cause during our usage temps are not often pushed to extreme height. For me when gaming my temps are around 68c MAX, and during stress test it reaches around 87c so in your case the temps might be slightly lower during your usage. Another thing is, are you running your Thermaltake 2.0 with Push & Pull fan configuration>

This post has been edited by scriptkiddo: Apr 8 2013, 02:04 AM
scriptkiddo
post Apr 8 2013, 12:40 PM

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QUOTE(LancerGT @ Apr 8 2013, 10:37 AM)
Hi scriptkiddo,yes im using Thermaltake 2.0 with Push & Pull fan configuration,my room temp 32c,if i switch on aircond temp will be 72c in full stress.
*
How much the temps will hit if you are stressing without the aircond turned on? Are you planning to increase your OC to higher clocks? For and i7 i see your temps are ok bro
scriptkiddo
post Apr 9 2013, 02:28 AM

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QUOTE(LancerGT @ Apr 8 2013, 03:08 PM)
Without aircond CPU temp full load will be 82c,with aircond around 72,I won't increase my clock any more,just stay 4.5ghz.
*
than your fine bro, no problem for your daily usage. Enjoy your speed, This cooler is just fine thumbup.gif plus your aircond is there so confirm will turn on most of the time, chill bro tongue.gif
scriptkiddo
post Apr 10 2013, 02:07 AM

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QUOTE(LancerGT @ Apr 9 2013, 06:20 PM)
Ya that enough for me,thank for your advice.
*
Np bro, have fun cheers icon_rolleyes.gif

 

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