How high can you OC a 2.8ghz P4 Northwood??? 6 replies

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#1 13 years ago

My friend has a northwood P4 at 2.8ghz... how high can she OC it on air???




*The.Doctor

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#2 13 years ago

Does she have the 533Mhz FSB or the 800Mhz FSB Northwood? And what quality/brand of cooling does she have on it?




C38368

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#3 13 years ago

What's the sSpec and/or stepping? EDIT~ Rephrase: get CPU-Z and tell me what it says in the "Revision" field.




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#4 13 years ago

its the 533Mhz bus... also im not sure about the "revision" since she actually lives in japan.




C38368

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#5 13 years ago

Then have her download CPU-Z, find the revision, and send it to you. Not that it really matters, assuming you're correct that it is a Northwood and not a Prescott; the old B-series chips never were great overclockers.




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#6 13 years ago

It is definately a 533bus northwood... I remember cause I helped her order it from here in the USA since its cheaper here. I would guess that even though its not a good OCer that it could STILL hit perhpas 3.1ghz on stock air cooling. But I really am just guessing.




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#7 13 years ago

(21 * 133MHz) = 2793MHz or about 2.8GHz. 3.1GHz would require a FSB of 148MHz, or an overclock of 15MHz. That's probably attainable, even at stock voltage. I think my old 2.4B topped out at 150-ish, IIRC. I'd score a Prescott HSF if you can, though. The old Northwood boxed HSF units suck even more than the newer LGA775 units.