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E8600 wont overclock

post #1 of 12
Thread Starter 
MB: Gigabyte GA-73pvm-S2H
RAM: Ocz ddr2 4gb 1333mhz
CPU: Core 2 duo E8600

I see that people generally get these cpu's to over 4ghz. But mine wont even go to 3,6ghz. I've increased the FSB unlinked, so that the ram doesnt get overclocked, and ive tried increasing Vcore all the way to 1.5V!! But it still cant go through Hyperpi without miscalculating.. Core temp doesnt exceed 40degC at any time when testing with hyperpi..

Any suggestions to what might be wrong? Is it just a really bad batch?
post #2 of 12
It's because you have crappy motherboard with nForce 630 chipset..

Get your hands on P35 or P45 chipset motherboard and that E8600 will do 4.5GHz easily..

And DO NOT USE SUCH HIGH Vcore on that E8600!!!!

1.4V is max for safe 24/7 usage..

That E8600 should do 4GHz on 1.2V like many others do..

CHEERS..
Edited by KingT - 5/31/11 at 8:52am
     
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post #3 of 12
Your motherboard is terrible for overclocking, the CPU is probably fine.
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post #4 of 12
Thread Starter 
kk, thanks a lot for the quick&good answers! Its been bugging me, but at least now i know whats wrong!
post #5 of 12
The best 775 motherboards for that chip will have a P45 Intel chip
ether Gigabyte GA-EP45-UD3P or GA-EP45-UD3R
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post #6 of 12
Also if you get a P35 or even better P45 motherboard you need to have RAM that's capable of running @ 800MHz in order for you to achieve 4GHz on CPU..

As you would be running 400MHz FSB and RAM would be at 800MHz (1:1 ratio)..

So 400Mhz FSB x 10 multiplier = 4GHz..

CHEERS..
     
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post #7 of 12
you want 1066 ram if you can to really push that cpu and as said get a good p35 or p45 to make it much easier.
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post #8 of 12
You can always try to add a small cooling fan to the northbridge chipset and see if that helps with FSB overclocking. I used to own a e8500 and p5k-e setup and I can run higher FSB pass 500mhz with a thermaltake chipset cooler.
post #9 of 12
Thread Starter 
Quote:
Originally Posted by marik123 View Post
You can always try to add a small cooling fan to the northbridge chipset and see if that helps with FSB overclocking. I used to own a e8500 and p5k-e setup and I can run higher FSB pass 500mhz with a thermaltake chipset cooler.

The problem is that i cant increase the chipset voltages. Nothing on the MB runs hot during hyperpi as it is now.

Could i use a MB with the G41 chipset? Cant find p35 or p45 anywhere, and g41 mb's are really cheap.
Edited by skogs - 6/1/11 at 4:27am
post #10 of 12
Quote:
Originally Posted by skogs View Post
The problem is that i cant increase the chipset voltages. Nothing on the MB runs hot during hyperpi as it is now.

Could i use a MB with the G41 chipset? Cant find p35 or p45 anywhere, and g41 mb's are really cheap.

A big No to G41 chipset motherboard!!!

Only P35 and P45 chipset motherboard and 1066MHz RAM..

CHEERS..
     
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