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Help! i72600k won't OC 4.6 less than 1.43VCORE!

Last response: in Overclocking
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March 21, 2012 2:38:49 PM

I am having issues with my overclock. it runs very very hot (averaging ~70C while playing WOW with an H70). I get BSOD's (mostly unrecoverable hardware failure, or the clock not received message) at anything less than a 1.43 VCORE and a LLC of Level 8.

Here's what I'm using:
2 x G.SKILL Sniper 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL9D-8GBSR
1 x Microsoft Windows 7 Ultimate SP1 64-bit - OEM
1 x GIGABYTE GA-P67X-UD3-B3 LGA 1155 Intel P67 SATA 6Gb/s USB 3.0 ATX Intel Motherboard
1 x Intel Core i7-2600K Sandy Bridge 3.4GHz (3.8GHz Turbo Boost) LGA 1155 95W Quad-Core Desktop Processor Intel HD Graphics 3000 BX80623I72600K
1 x EVGA 025-P3-1579-AR GeForce GTX 570 (Fermi) HD 2560MB 320-bit GDDR5 PCI Express 2.0 x16 HDCP Ready SLI Support Video Card


Again 4.6Ghz OC at a really high vcore of 1.43, and it isn't always perfectly stable. Runs far far too hot on my h70 for my liking.


Can anyone help me with this OC? I've done the usual disable settings in the overclocking guides, but I just can't seem to get it to run Intel Burntest at anything less than 1.43 vcore!

More about : i72600k 43vcore

March 22, 2012 3:45:57 AM

I've recently tried overclocking my i7 2600k and have it set to 4.5 ghz. I have a water block on the cpu but it still gets hot i have coretemp installed and configured to shutdown my computer if it hits 80 Celsius. the i7 is rated at a maximum temp of 98 Celsius...but thats obviously really hot so for alot of processors its recommended that you set your limit 15 to 20 below the max rating. But with all processors the cooler the better :]
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March 25, 2012 2:47:03 AM

No dice on the guide :(  any thoughts?
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March 25, 2012 3:27:14 AM

here's the error I get when I try and boot in anything lower than 1.43 vcore


"A Clock Interrupt was not received on a secondary processor"

Event Viewer

The computer has rebooted from a bugcheck. The bugcheck was: 0x00000101 (0x0000000000000019, 0x0000000000000000, 0xfffff88003302180, 0x0000000000000006). A dump was saved in: C:\Windows\MEMORY.DMP. Report Id: 032412-5647-01.
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March 25, 2012 4:16:05 AM

For what it's worth the BSOD's are with Intel Burn Test within a matter of moments. Have been running for a few minutes under Prime95 at even lower vcors (1.38 atm) without issue. Is Prime95 better?
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a c 330 K Overclocking
March 25, 2012 4:27:20 AM

Intel Burn Test loads and stresses more than Prime95, and due to this, most consider it the best CPU load and stability testing software.
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March 25, 2012 4:39:34 AM

k well Intel burn Test crashes my PC on anything under a 1.43 vcore with the 4.6 overclock. I did the usual, disabled things as per the guide, set the ram timings, etc. Prime95 doesn't seem to crash with 10-15 mins of testing (obviously requires more for perfect stability).


The temps tend to max out at ~90C at 1.43VCORE, running on average about 60-70C on an H60 cooler when at 20-40% load. Is that alright? If it doesn't degrade my lifespan then I'll just keep it there, but it simply doesn't play kindly at anything lower.


I can load in etc, but once I start a test i BSOD with Intel Burn Test.
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a c 150 K Overclocking
March 26, 2012 4:00:54 AM

SkylarM said:
k well Intel burn Test crashes my PC on anything under a 1.43 vcore with the 4.6 overclock. I did the usual, disabled things as per the guide, set the ram timings, etc. Prime95 doesn't seem to crash with 10-15 mins of testing (obviously requires more for perfect stability).


The temps tend to max out at ~90C at 1.43VCORE, running on average about 60-70C on an H60 cooler when at 20-40% load. Is that alright? If it doesn't degrade my lifespan then I'll just keep it there, but it simply doesn't play kindly at anything lower.


I can load in etc, but once I start a test i BSOD with Intel Burn Test.

WAY TOO HIGH! No wonder why it crashes on you, it probably is overheating! Just clock to 4.5, it shouldn't require that much vcore.
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a c 197 K Overclocking
March 26, 2012 6:29:37 AM

VID range of an i5/i7-K is .25 - 1.52 volts. You could have been unlucky enough to receive a chip with an unusually high VID. If so, there isn't anything that you can do about it except turn the overclock and core voltage down to reduce the heat generated.
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March 27, 2012 1:34:38 PM

The more voltage, the higher the temps going to be. The key to OCing is finding the right balance. I'm sure you know this.

Try disabling your Hyperthreading in the BIOS. This could allow you drop the voltage and even see lower temps in general.

Follow this guide. http://www.clunk.org.uk/forums/overclocking/39184-p67-s...

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