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p4 northwood what can they clock to on air/stock cooler ?

mp260767

mp260767

mp260767

Soldato
Joined
4 Feb 2003
Posts
11,039
Location
telford, shropshire
hi,

got hold of a p4 for a junkit backup system i've put together, cpu-z identifies it as northwood socket 478, default is 100x20 cant change the multiplyer, any ideas what i might be able to get it to ?


thanks..........
 
My old 2GHz P4 Northword is still going strong at 2.4GHz in a friends PC. Been doing that for 4 years now.
 
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cheers, i know the motherboard can clock or at least it has a few options to so we'll have to see how it goes :)
 
They can usually clock up quite well - the problem is however to get the good clocks you have to go above 1.6v on the core which generally results in northwood sudden death within 6 months, regardless of how well you cool it, etc...

however one of my 478 CPUs a Pentium 4 2.4 (400FSB) overclocks to 3.0gig (+25%) on stock volts and cooling and has been running fine like that for maybe 4-5 years - kinda lost count on the time on that one.
 
I have been using a 2.4 P4 which can really easily go up to 3gig. I think i once tried to run it up to something like 3.5 on stock cooling and volts, just crashed after a couple of minutes. Haven't tried it up that far again since.

Hopefully when i go to core2duo i will be able to get some really good clocks.
 
IIRC there was a DFI Lanparty board for 478 that was really good.

If you can pick one up second hand you should be able to really clock that chip up high.
 
My 2.4 northwood 533fsb runs at 3.0ghz all day, all stock and no temp increases.

Sure it can go higher but just using the stock cooler so not gonna try!!!
 
A 2Ghz (400fsb) P4 is hard to guess on its max speed, anywhere between 2.0 and 2.6 I would guess. It was the later 533, and 800FSB chips that were the best clockers imho. Most 800's maxed out around 3.2-3.4Ghz on air, although there were some which did even better.
 
The DFI Infinity 865PE (rev. B) board is a great overclocker - tho prolly not as good as its Lanparty equivalent - but performs well and is very stable, only downside (and prolly why it doesn't clock as well as the Lanparty) is that the dimms are powered off the 3.3v rail which limits vdimm, solved that with the OCZ RAM Booster tho.
 
My 3gig Northwood clocked happily to 3.6 24/7 for over 2 years. Still running sweet now in a friends machine.
 
did you up the vcore and if so - to what?

my 3.0gig Northwood clocks to 3.6 easy and 3.8 with some pushing, but at 3.6 PAT is disabled so I actually get better performance clocking down a bit... and 3.75 and 3.8 require a pretty hideous vcore increase that I wouldn't feel comfortable running 24x7.
 
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