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i7 2600K 3.4 Overclock to 4.5 High Temps???

post #1 of 13
Thread Starter 
I running an i7 2600k Sandy Bridge CPU, and a Corsair H60 for cooling. I followed this guide: http://www.overclockers.com/forums/showthread.php?t=693613
for getting it to 4.5GHz.

Details on my setup http://www.overclock.net/lists/display/view/id/5565741
Basically these are my settings.

BCLK/PCIE Frequency @ 100.0
Multiplier @ 45
Internal PLL Overvoltage @ 50%
CPU C1E @ Disabled
Speedstep @ Disabled
Intel Virtualization @ Disabled
CPU Voltage @ 1.35
DRAM Voltage @ 1.5 (stick voltage)

When I'm stress testing I have Real Temps, CPUZ, HWMonitor and Prime95 running 8 cells on blend mode. In Real Temps after about 15 minutes they go up past 75C-80C and after about 18 minutes its over 80C-83C. In HWMonitor my Voltage is at 1.39-1.4? I'm not happy with these temps at all, and I don't know why my voltage goes up that way. After about 20 minutes Windows 8 shows up with a CLOCK_WATCHDOG_TIMEOUT.

I'll post screenshots soon if needed. I thought I would get a more successful overclock when following that guide with the H60 like many people have done. What's the deal with this Asus P8P67 EVO is there something I'm not aware of?

Also what is this CPU PLL Voltage he talks about in that guide? I can adjust the voltage on that but how do I disable it? Sorry n00b question.

Thanks for any help you can give me:)
post #2 of 13
Why don't you keep on pushing further to the moon until it blows up? Good grief. Of course its going to run really hot with such a high and deadly oc. Drop it down to 4.0GHz and be happy.
post #3 of 13
PLL is Phase Locked Loop, which is defaulted I believe to 1.8v. It's the voltage for the clock multiplier circuit within the CPU. I've never messed with it and left the settings at Auto in my BIOS.

I am running my 2600K at 4.5GHz @ 1.32v and under max loads my temps never break 70C. During everyday computing, hardcore gaming, and multitasking running iTunes, RaidCall, Skype, Diablo III, Minecraft, etc., it never breaks 65C, which I'm more than happy with. Average temp during all of this is about 45-50C, idle temps around 34C.

I'm cooling with a Zalman air cooler that sounds like a freight train.

I had an H60 and found the performance to be, less than impressive, as my air cooler keeps it cooler than the H60 ever did. Of course, one of the pump bearings for the H60 eventually failed so the unit itself stopped working. Thankfully I was home to catch the overheat that was about to occur.

Didn't bother with an RMA, wasn't worth it to me considering how poorly it performed when it was working. If you're going to do liquid cooling, go for real loop with a reservoir and all that jazz. All-in-ones are not my thing, though many swear by the H80 and the H100.

Your mileage may vary.
post #4 of 13
With all due respect, I do not understand why everyone freaks out about prime 95 tests. They are going to push your temp much further than a real world scenario. Unless you sit around and run prime all day for fun, I would not worry so much. Check your temps and stability while in game or while multitasking and go from there. You cannot expect high end cooling results from a mid range cooler at best. You may need to tone down your overclock for now.

As far as pll, I have heard it comes in useful with very high multipliers but that's all I know.
post #5 of 13
Thread Starter 
It's funny you say that because I have a Zalaman air cooling unit I have not used yet. I suppose I just assumed an all in one water cooling would be better then most air. Guess that puts the meaning behind the saying "don't believe everything you read".

I think I will swap them, re-grease and try to see the results. Which Zalaman unit are you running exactly?
post #6 of 13
Quote:
Originally Posted by falinefarwell View Post

It's funny you say that because I have a Zalaman air cooling unit I have not used yet. I suppose I just assumed an all in one water cooling would be better then most air. Guess that puts the meaning behind the saying "don't believe everything you read".

I think I will swap them, re-grease and try to see the results. Which Zalaman unit are you running exactly?

The H60 is probably great for those who don't plan to overclock, but want to cool with something quieter than a fan (I know I did, and still do, but I'll stick with this for now).

I'm running the CNPS9700 110mm.
post #7 of 13
Thread Starter 
So I just ordered XSPC Raystorm 750 AX240 Kit. It will be good for me just as a beginner in water cooling. Plus it's what my budget allows for now. I am gonna be upgrading it slowing. Just sticking to a CPU block for now. I know I'll get the temps I want with that setup....plus it looks cool and we all know that matters tongue.gif

Thank you for the replies I will post my results in a week or so when it's all installed. Probably in the water cooling section.

Cheers!

- Faline
post #8 of 13
Good luck!
post #9 of 13
Looking forward to results!
post #10 of 13
Thread Starter 
Installed the custom water cooling loop yesterday! I am going to post a build log for this with pictures of my setup but here is a screenshot of my temps now! Super stable so far, I am really happy with the results so far. I'll be posting as build log in the case mods section smile.gif




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