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Help: Overclocking i5 2500k

post #1 of 23
Thread Starter 
Hey guys,

I've finally gotten around to tweaking with the overclock settings on my new rig, and I'm having some issues with the voltage display in CPU-Z.

At the moment, I have it lightly overclocked at x42 (4201.2 MHz). It's a bit unstable at the moment (it'll only run about 12 minutes on prime before detecting errors on 2/4 cores). No matter how much I adjust the voltage though, it doesn't seem to make a difference in terms of stability.

I noticed that my CPU-Z currently lists my Core Voltage at 1.044 V. No matter how I adjust the voltage in my BIOS, CPU-Z always lists it at 1.044. My BIOS currently indicates that it should be at 1.28 V. Is there a setting I'm not properly enabling or turning off that is causing this?

Any help would be great since I'm fairly new to overclocking with the P67 motherboards (I moved from a Core 2 duo e8200).

Thanks again.

Edit: CPUID Hardware Monitor also indicates that my CPU VCORE is at 1.04 V value at a minimum of 1.04 V and at a maximum of 1.04 V. This doesn't seem to change even when running Prime 95.
Edited by jivenjune - 3/30/11 at 6:02pm
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post #2 of 23
All power savings features disabled?
post #3 of 23
Hello, I am also having the same problem with my CPU-Z Version 1.57.. It shows my vcore at 1.023... So iv had to use HWmonitor to check my vcore while idle and watch it while running prime95. Works perfect for me.. Id give hardware monitor a try see if it shows your correct vcore! Hope that helps...
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post #4 of 23
Thread Starter 
Quote:
Originally Posted by Naudus View Post
Hello, I am also having the same problem with my CPU-Z Version 1.57.. It shows my vcore at 1.023... So iv had to use HWmonitor to check my vcore while idle and watch it while running prime95. Works perfect for me.. Id give hardware monitor a try see if it shows your correct vcore! Hope that helps...
Thanks, I'll give that a shot.
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post #5 of 23
Thread Starter 
Hmmm, nope. CPUID Hardware Monitor also indicates that my CPU VCORE is at 1.04 V value at a minimum of 1.04 V and at a maximum of 1.04 V. This doesn't seem to change even when running Prime 95.
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post #6 of 23
Thread Starter 
Quote:
Originally Posted by Capwn View Post
All power savings features disabled?
I believe so. Currently, I have the following enabled/disabled

Disabled - Internal CPU PLL Overvoltage
Enabled - Real-Time Ratio Changes IN OS
Intel (R) Turbo Boost Tech (Auto -- It's all grayed out, so I think it's auto disabled due to my current settings).
CPU Cores Enabled - All
Disabled - CPU Enhanced Halt (C1E)
Disabled - C3/C6 State Support
Disabled - CPU Thermal Monitor
Disabled - CPU EIST Function
Auto - Bi-Directional PROCHOT
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post #7 of 23
That's weird, hmm... so you overclocked to 42x correct? are you running that overclock with turbo boost enabled with all the power saving on? CPU Enhance halt (C1E) , C3/C6 State support, CPU Thermal monitor , CPU EIST function... is all that enabled?
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post #8 of 23
Quote:
Originally Posted by Naudus View Post
That's weird, hmm... so you overclocked to 42x correct? are you running that overclock with turbo boost enabled with all the power saving on? CPU Enhance halt (C1E) , C3/C6 State support, CPU Thermal monitor , CPU EIST function... is all that enabled?

ahh didnt see your new post . ok.
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post #9 of 23
Thread Starter 
Quote:
Originally Posted by Naudus View Post
That's weird, hmm... so you overclocked to 42x correct? are you running that overclock with turbo boost enabled with all the power saving on? CPU Enhance halt (C1E) , C3/C6 State support, CPU Thermal monitor , CPU EIST function... is all that enabled?
Well, it's technically set at a 42x multiplier; however, the overclock itself is still unstable which I think is due to the low voltage input being detected in CPU-Z and CPUID.

Turbo has that grayed out color that doesn't let me adjust any of the settings. I think this means it's automatically disabled with my current settings? Correct me if I'm wrong.
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post #10 of 23
No, your correct. What are you volt's set to in bios? All *auto* except vcore? what vcore are you using for 42x?
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