Advice on OC'ing P4 3.06Ghz

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Daniel120201

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Aug 22, 2011
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Hi,
I have a Pentium 4 3.06Ghz that I'd like to Oc to at least 3.2Ghz.
The BIOS worked in increments of 33mhz. The FSB is regulated by some chip or something. How it works: (The multiplier is 23x) if the cpu frequency is set at 100Mhz it is 100x23= 2300mhz, 133x23= 3059Mhz (actual speed). Now 166x23 = 3818 which is way off limit. Is there a way to like increase 5-10mhz to it?
Does SetFSB work?
(the CPU's fsb is 533mhz)
What are the recommended speeds?
Mobo link: Here

Thx
 
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spp85

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My previous cpu is same as yours but on an non overclock friendly Intel board. I used SetFSB to overclock CPU and downclocked RAM on the BIOS little bit to make more headroom for OC and I got a stable 3.8ghz OC .
 
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Daniel120201

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Yeah thanks, is there a piece of good software I can test for stability?
 
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Daniel120201

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Well, SetFSB just makes it unstable, even a 100Mhz OC is too much xP
Also it seems that the CPU is pretty undervoltaged (1.4 - 1.5V, when it should be 1.55V to 1.62V)
 
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spp85

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You may need to downclock the RAM, for example if its running at DDR 400 Mhz downclock to 333mhz, then Overclock the CPU using SetFSB.
 
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PallindroneT3604

PallindroneT3604

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A word of warning here....if you can Overclock your CPU, be aware of the Northwood Sudden Death Syndrome...maybe you got the Prescott, but this should be worth researching for you......With Northwood CPUs, any OC over 1.75V can cause an electron voltage "leak", which sets up a circuit pattern inside the CPU to effectively short it out. Even if you OC once , the path can set up and the Cpu could be affected by going into a slow death spiral until it won't boot at all. The process can takes days or weeks. Just a heads up.
 
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