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I5 2500k High Voltages, No Stablity

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February 12, 2012 9:46:55 AM

I Can't Seem to get my i5 2500k stable at 4.5ghz. I've tried every possible BIOS setting and still no difference. Im at 1.4vcore and i don't want to go higher than that, i would like to be around 1.35v if possible

Do i have a bad chip?

Hardware:
CPU - i5 2500k, 212+ Push Pull
GPU - GTX 560 TI Twin Frozr III
Ram - 4gb 1600 ddr3 9-9-9-24
PSU - Thermaltake TR2 RX 650w
HDD - 1x 500g Western Digital Blue
Mobo - Gigabyte Z68AP-D3 F7e (beta) BIOS - Tried other Bio's all same results

28C* Idle 68C* Load @ 4.5ghz

1 Core will fail in prime 98 After about 50 minutes all the rest are fine (using FFT)
Prime 95 will BSOD in a couple of seconds if i run Blend mode (About 70% of the time) and the other time it will crash in about 10 minutes.

BIOS Settings

http://imgur.com/a/sUths - If links dont work













Let me know if i should change any settings, Or if im doing something completely wrong. (1st Time OCing CPU)

Any Help is Appreciated, Thanks! :D 

EDIT - Forgot to mention that with underload its drops to 1.36vcore (LLC On aswell)
February 12, 2012 12:01:41 PM

Why you need to disable c1e c3 and c6 state ? leave them ON
Why you need to maually input qpi/vtt voltage ? leave it on auto
Dynamic vcore 0.050+ doesn't give you 1.4v it gives you less you should try other programs for checking your vcore on full load
Why do you undervolt your cpu pll and overvolt your ram ? leave them on Auto and ram should be 1.5v not more


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February 12, 2012 10:42:13 PM

Thanks for the links + info,
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February 14, 2012 4:11:20 AM

AK_Farthera said:
I Can't Seem to get my i5 2500k stable at 4.5ghz. I've tried every possible BIOS setting and still no difference. Im at 1.4vcore and i don't want to go higher than that, i would like to be around 1.35v if possible

Do i have a bad chip?

Hardware:
CPU - i5 2500k, 212+ Push Pull
GPU - GTX 560 TI Twin Frozr III
Ram - 4gb 1600 ddr3 9-9-9-24
PSU - Thermaltake TR2 RX 650w
HDD - 1x 500g Western Digital Blue
Mobo - Gigabyte Z68AP-D3 F7e (beta) BIOS - Tried other Bio's all same results

28C* Idle 68C* Load @ 4.5ghz

1 Core will fail in prime 98 After about 50 minutes all the rest are fine (using FFT)
Prime 95 will BSOD in a couple of seconds if i run Blend mode (About 70% of the time) and the other time it will crash in about 10 minutes.

BIOS Settings

http://imgur.com/a/sUths - If links dont work

http://i.imgur.com/6IgOGh.jpg
http://i.imgur.com/EqcvOh.jpg
http://i.imgur.com/mLdAgh.jpg
http://i.imgur.com/5nkYmh.jpg
http://i.imgur.com/OAPXGh.jpg
http://i.imgur.com/Sagpth.jpg
http://i.imgur.com/FnNjZh.jpg
http://i.imgur.com/kOLJbh.jpg
http://i.imgur.com/DOOxrh.jpg
http://i.imgur.com/BW5x6h.jpg
http://i.imgur.com/VSTvOh.jpg

Let me know if i should change any settings, Or if im doing something completely wrong. (1st Time OCing CPU)

Any Help is Appreciated, Thanks! :D 

EDIT - Forgot to mention that with underload its drops to 1.36vcore (LLC On aswell)


I think you memory is not enough for prime95 try adding more DDR3 1600 MHZ make it 8GB total. Then run prime 95 again.
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February 14, 2012 7:05:25 AM

That may be the case, I Think i also have bad ram because i got a couple errors on memtest. Im playing on upgrading to 16gb and use 8 for ram caching, but no where soon
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February 14, 2012 7:34:21 AM

@aqe040466 Eh? You don't need a certain amount of RAM to pass Prime95...

@AK_Farthera, if Memtest is failing then try removing one of the sticks of RAM and testing each stick individually, it may be that one of your sticks of RAM is faulty.

Before you do that you may want to try setting the QPI/VTT voltage back to AUTO and re-testing the RAM.

Also your RAM is slightly undervolted, maybe try 1.66V for DRAM.
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February 14, 2012 12:01:12 PM

AK_Farthera said:
That may be the case, I Think i also have bad ram because i got a couple errors on memtest. Im playing on upgrading to 16gb and use 8 for ram caching, but no where soon


Memory producing errors will never overclock stably get that resolved before continuing with your overclocking.
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February 14, 2012 10:09:51 PM

Reset vtt to auto, Now going to tinker around with Ram

-Thanks
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February 15, 2012 6:15:39 AM

Still getting BSOD :(  I Think im just going to stick to 4.2ghz, I Give up xD
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February 15, 2012 9:10:39 AM

Did you test each stick of RAM individually with memtest?

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February 15, 2012 11:04:55 AM

Rustyy117 said:
Did you test each stick of RAM individually with memtest?


Very good question!

AK_Farthera if your memory is producing errors you need to get those bad modules replaced, continuing to OC is futile, and is going to corrupt your drivers and system files, if you haven't already done it.
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February 16, 2012 9:35:03 PM

Yeah, i just tested them and got some errors, I Guess im going to get some replacements

I Only got 1 error though? Is that enough to make it a bad module?
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