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OCing 2600K + ASUS MIVE-Z

post #1 of 9
Thread Starter 
Hello Guys!
I started to fiddle around with my new CPU/Mobo today!
I ended up reaching 5GHz booting windows normally and i even ran some custom Prime95 test (1344 FFT - 1344FT, 2500MB memory, in 1 min) passed 15-20 min.
Started to do a (1792 FFT - 1792 FT, 2500MB memory, in 1 min) had a 101 BSOD after 10 minutes. I am idling at 33-36c and Highest MAX temp on 1 of the cores reached 74c. And i my Vcore didn't exceed 1.4v in Windows and under stress.

I took some Bios screenshot's to see if any of the Pro OC guys around could shed some light on me for a stable 24/7 OC by having some tweaks done before i start my 24 hour Prime95 Blend test!








Best Regards
Edited by mariotme - 11/8/11 at 2:41pm
post #2 of 9
Everything looks great, only thing I would say is enable PLL Overvoltage and C1E and do your prime run.

EDIT:

Be sure to pop in to my thread, The Sandy Stable Club, link is in my sig, if you press the "LINKS" button you'll find it

Also just noticed, HT disabled??
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post #3 of 9
Thread Starter 
Quote:
Originally Posted by munaim1 View Post
Everything looks great, only thing I would say is enable PLL Overvoltage and C1E and do your prime run.

EDIT:

Be sure to pop in to my thread, The Sandy Stable Club, link is in my sig, if you press the "LINKS" button you'll find it

Also just noticed, HT disabled??
hehehe i would do so right away sir
ill register in your lovely thread as soon is i get this baby stable
that thread was the first thing i checked around

May i ask what do you think is the MAX 24/7 stable temps / Volts?

Edit: lol regarding HT yeah its Disabled am trying to stay low on temps as much as i can AND i also play BF3 pewpew!

Edit2: do you think i should play around with vccio?
Edited by mariotme - 11/8/11 at 2:48pm
post #4 of 9
Quote:
Originally Posted by mariotme View Post
hehehe i would do so right away sir
ill register in your lovely thread as soon is i get this baby stable
that thread was the first thing i checked around

May i ask what do you think is the MAX 24/7 stable temps / Volts?
Cool

This is my take on SB temps and voltages.

****Max Safe Voltage and Temps****


Before I go into this, I just want to say that this is my OWN opinion and take it as you will.

No one is absolutely certain of what the safe vcore is for the sandybridge chips. What I can tell you is that many say the max safe vcore for these chips are 1.3 region, however, intel states that the max 'VID' is 1.52 and many say that around 1.4 if your on air and 1.45 should be the max if your running water cooling. Personally I will not go above 1.5v for 24/7 with these chip but that is totally upto you. The main thing to understand is that 'YOU' have to come up with the conclusion of what the max is. That way no one is blamed if the chip degrades (none reported so far, even with so called 'high 1.4+ vcore')

Those that have killed or degraded their cpu's have done so through either by their own fault, running sucide runs with crazy voltages and by not having substantial cooling for their overclocks and voltage or for reasons like their mobo or PSU causing shorting and also BIOS bugs.

Please remember that not all chips are the same, some can do high overclocks with low voltage some cannot as you can see in this this thread and many others.

Regarding temps, CPU throttles at 95c, some say keeping it below 85c is good, some say keeping it below 80 is better, other's say below 75c is really good and there are quite a few that say 70c should be the max. Which ever one your comfortable with and if you have substantial cooling, YOU DECIDE YOUR MAX, just remember it throttles at 95c. If for example you hit 85c in stress testing then in everday usage it shouldn't be higher than 75c which I think is fine, I personally like to keep mine below 70c




VCCIO can be left on auto unless you're overclocking the RAM or playing with high voltages, however, it can help to increase it a little, somewhere between 1.07-1.1 and upto 1.125 can help overall stability sometimes but that is something that you will have to check yourself as leaving it on auto might even be a better option for you.
Edited by munaim1 - 11/8/11 at 2:53pm
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it looks alive
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i5 2500K [5ghz 1.44v 24/7] Asus Maximus IV Extreme SLI GTX 460 @ 920/1840/4100 [1.11v] 4GB Dominator GT @ 2133mhz CL8 [1.65v] 
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Intel X25-M G2 80GB 3x Samsung F3 500GB RAID 0 EK Supreme HF Full Copper Windows 7 Ultimate 64bit 
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post #5 of 9
Thread Starter 
Quote:
Originally Posted by munaim1 View Post
Cool

This is my take on SB temps and voltages.

****Max Safe Voltage and Temps****


Before I go into this, I just want to say that this is my OWN opinion and take it as you will.

No one is absolutely certain of what the safe vcore is for the sandybridge chips. What I can tell you is that many say the max safe vcore for these chips are 1.3 region, however, intel states that the max 'VID' is 1.52 and many say that around 1.4 if your on air and 1.45 should be the max if your running water cooling. Personally I will not go above 1.5v for 24/7 with these chip but that is totally upto you. The main thing to understand is that 'YOU' have to come up with the conclusion of what the max is. That way no one is blamed if the chip degrades (none reported so far, even with so called 'high 1.4+ vcore')

Those that have killed or degraded their cpu's have done so through either by their own fault, running sucide runs with crazy voltages and by not having substantial cooling for their overclocks and voltage or for reasons like their mobo or PSU causing shorting and also BIOS bugs.

Please remember that not all chips are the same, some can do high overclocks with low voltage some cannot as you can see in this this thread and many others.

Regarding temps, CPU throttles at 95c, some say keeping it below 85c is good, some say keeping it below 80 is better, other's say below 75c is really good and there are quite a few that say 70c should be the max. Which ever one your comfortable with and if you have substantial cooling, YOU DECIDE YOUR MAX, just remember it throttles at 95c. If for example you hit 85c in stress testing then in everday usage it shouldn't be higher than 75c which I think is fine, I personally like to keep mine below 70c




VCCIO can be left on auto unless you're overclocking the RAM or playing with high voltages, however, it can help to increase it a little, somewhere between 1.07-1.1 and upto 1.125 can help overall stability sometimes but that is something that you will have to check yourself as leaving it on auto might even be a better option for you.

Man i really appreciate all the help and tips you provided me!
Just enabled C1E and PLL Overvoltage.

Lets hope it'll survive my overnight P95 Blend test
post #6 of 9
Quote:
Originally Posted by mariotme View Post
Man i really appreciate all the help and tips you provided me!
Just enabled C1E and PLL Overvoltage.

Lets hope it'll survive my overnight P95 Blend test
No problem, happy to help. Good luck with the prime blend test.
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Intel X25-M G2 80GB 3x Samsung F3 500GB RAID 0 EK Supreme HF Full Copper Windows 7 Ultimate 64bit 
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Sandy Transformed
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CPUMotherboardGraphicsRAM
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Hard DriveHard DriveCoolingOS
Intel X25-M G2 80GB 3x Samsung F3 500GB RAID 0 EK Supreme HF Full Copper Windows 7 Ultimate 64bit 
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post #7 of 9
Thread Starter 
Damn Had 2 BSODS in couple of hours! Bsods 101 which seems like I need some more vcore from my understanding.
I upped the vcore to 1.425, and I really hope it would pass my blend tests.
I don't think ill go past that voltge, and my temps are still under 75c

Edit: damn another BSOD 101 after 1.5 hours blend stress test max volts was 1.425 and highest core temp on one of the cores was 77c.
Anyone could comment if I missed any of the bios settings to achieve a more stable overclock?


Sent from my GT-I9100 using Tapatalk
Edited by mariotme - 11/9/11 at 4:26am
post #8 of 9
Change you VCORE PMW mode to Extreme if your going for 5ghz. T Probe if your going for mild 4.5-4.7ghz. That may help keep it stable at those freq.
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RAMHard DriveHard DriveOptical Drive
Corsair Vengence Pro 32gig 2400mhz c11 red (4x8... 6x 256gig (1.5tb) in Raid 0 , OS / Gaming Drive 2 x Liteon 256gig (512gig) storage drives Asus Dvd-RW 
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2x 360mm Alphacool XT45 / 1x 480mm Alphacool Mo... EK X-Res 140 D5 vario Pump/Res combo + EK X-top... EK Supreme HF cpu / EK Acetal / Nickel with Nic... Windows 8.1 64bit 
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post #9 of 9
Thread Starter 
Quote:
Originally Posted by Hambone07si View Post

Change you VCORE PMW mode to Extreme if your going for 5ghz. T Probe if your going for mild 4.5-4.7ghz. That may help keep it stable at those freq.

cheers buddy. I decided to stay on 4.5 GHz for now coz didn't like the high voltage / temps for 5.0. And tbh i don't think 5.0 is needed for gaming till that date tongue.gif

Here is my proof for my stable 4.5 GHz Okay temps and Voltage. i dont think more than 12 hours Prime95 blend stress test is needed for stability. 12 is enough for me.


stable45ghz12hrstresste.th.jpg
Edited by mariotme - 11/10/11 at 9:11am
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