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Why cant my 915P run 65nm?!?!

post #1 of 8
Thread Starter 
I don't understand. If the P5LD2 could be updated for Core2Duo's, why can't the 915P chipset handle 65nm chips? Has anyone ever tried a 65nm in a 915 or earlier chipset just to see if it could work? What could be different besides voltage tweaks?

I reallllllly am interested in buying a cheapy Cellery 365 or a nicer Pentium 661 or 671 just to tide me over a few more months in my overclocking addition, but my mobo doesn't "support" 65nm processors. All I could possibly do is update to a 660 or 670, but they aren't nearly as common or cheap...

Could my 915 run a 65nm?

EDIT: OR Pentium D's for that matter... the 865 chipset could, why not this? I'd get an 805 if it weren't for this motherboard.
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Sandy Beach
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post #2 of 8
Maybe update the bios? i'm not sure, just throwing that out there.

for it "not to run" what happens? does it just 'not' boot or does it not reconize the cpu?
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post #3 of 8
well i know 65nm work in my borad and it 865p
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post #4 of 8
Nm........
post #5 of 8
i have a ecs 915p-a with the 915 chip, under their specs they say it will not support any dual core pd or c2d
post #6 of 8
Quote:
Originally Posted by Skullzaflare View Post
i have a ecs 915p-a with the 915 chip, under their specs they say it will not support any dual core pd or c2d
Intel released both the 915 and 925 chipsets without dual core support. They wont even support the Pentium D chips!

I did a lot of research on this a little while ago and yes, the older 865/875 chipsets can support the Pentium D's. But the manufacture has to make some adjustments to the bios.
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post #7 of 8
Here is a quote from Wikipedia

"The Pentium D will not work with the nForce 4 SLI Intel Edition due to some power design issues, though they were rectified for the X16 version of the chipset. Motherboards based on the 915 and 925 series of chipsets will not work at all, as the chipsets do not have support for more than one processor core (a result of Intel trying to prevent motherboard manufacturers from making Xeon motherboards with the chipsets, as happened with the 875P). The 865 and 875 series chipsets do have multiprocessor support. Motherboards based on those chipsets may be Pentium D compatible so long as the manufacturer provides an appropriate BIOS update."
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post #8 of 8
Thread Starter 
Thank you everyone that has responded. I don't have any Dual-Core or 65nm chips to try, and ASUS has issued no updates to the BIOS that would permit for either Dual-Core or 65nm chips to run. I was just curious as to why even the same chip as mine (just 65nm) the 641 wouldn't be able to run?

I would love to move over to 65nm and get a cheap celeron 365 for fun or something, but I'm stuck with 90nm process, which is NOT so great for OC's, especially since my chipset maxes out at 266FSB, I need a higher multi.

I just don't understand why, electrically, a 65nm couldn't run in a 90nm board if there are ultimately no changes in architecture or features.
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