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post #31 of 36
Quote:
Originally Posted by ENTERPRISE1701
Well the Pressie does get rather hot than most chip but you want to keep it under 50c under 100% load.
damn it man.. thats hard for me to do.. folding it runs almost 55.. i have yet to see it peak over that.. i do run a 3 degree buffer on my mbm moniter so i guess its like 51-53 over all.. unless that ac is turned on and my duct work is run to the vent on the floor then fully loaded its about 45.. it idles high tho.. id say around 40-44 with an ambient temp of 28-30
    
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post #32 of 36
Remember that thse values are for stock voltages and speeds. There is a difference between 50C stock and 50C overclocked and overvolted.

Never follow spec thermals when running out of spec is my advice. Getting Prescott to 50C on load is not a bad thing on air cooling so I disagree again. Prescott should not go past 60C on load.

R
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post #33 of 36
that makes since.. hell if ya remember i willing to fry this badboy just to get it to 4ghz.. grin..
    
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post #34 of 36
Quote:
Originally Posted by Trippen Out
that makes since.. hell if ya remember i willing to fry this badboy just to get it to 4ghz.. grin..
LOL I do.

Remember my advice? LOL I'm still waiting for the . . . "My system just.....

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post #35 of 36
Quote:
Originally Posted by Ropey
Indeed



This is not true. Prescott does not shine until it reaches ~3.8+ GHz and in most instances Northwood will overtake Prescott at a 3.4GHz level. As well, it is not a good idea to put a Prescott in that machine. There are power VRM concerns on i865 and the resulting mainboards that give poor longevity. Your choice though. The i865 will take a Prescott but I advise against it in this setup. There are those on the Dell site who said that Prescott was workable but no-one that had done this and again longevity is doubtful in my opinion.



Hi 455buick,

Concerning the Northwood and Prescott with 800MHz FSB, there is no difference in the multiplier. The 3.4GHz Prescott has a 17 X multiplier and the 3.4GHz Northwood also has a 17 X multiplier given that both these processors run on a 200MHz quad pumped bus.

The board is an i865 which will run at the above-mentioned specs.

R
Hi ropey,

Agreed the multipliers are the same for the Northwood or Prescott of the same Ghz. The difference is the L2 cache as you well know.. My MSI motherboard (865i) will not recognized the Prescott cpu with the August 2003BIOS I have in it... I would need to flash it to a newer BIOS dated about March of 2004 or so. However, I'm happy running the cooler Northy for the time being. It does everything I want it to do.
Thanks for all of the great advice and posts!

Take care, :-)
post #36 of 36
Quote:
Originally Posted by grumpy
I trust your guys' judgement, that's why I asked this here. Based on your statement, I think I'll stick with and try the 3.4 Northwood. I have read somewhere else that the Northwood was actually faster than the Prescott at these speeds, but wasn't certain of that. I know i've seen benchmarks showing the Nvidia 6600GT w/128mb ram to outperform the same w/256mb ram - so I know that excess cache doesn't always help.
Hi grumpy,

Well I think you have all the info you need. I stand corrected that Dell actually put out a motherboard which allows you to adjust settings in the BIOS. I've had a friend and a relatives who's BIOS was not allowing tweaks to the fsb. My fahter in-laws sits at 133 and there are no options to change it. Oh well...

I think your choice of a Northy is a good one. Ropey really knows his stuff about this... Good advice there!

Take care and BTW - Welcome to Overclock!
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