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I have a mpga478 mobo that works with a 2.40ghz Northwoods CPU  and i have a 3.4ghz Philippines 478 CPU that has Nick in it when I installed that CPU my mobo turned on and turned of two sec later but mobo isn't issue wondering if my CPU is dead from Nick on side of heat spreader ?

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I really doubt a nick that small to the head spreader would impact the function of the chip, however if it was caused by a severe force (like dropping the CPU) then it may have simultaneously caused damage inside. I assume all the pins are present and not bent?

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9 minutes ago, jeremywork said:

I wouldn't worry about the small force, as long as you don't feel you have to force it in. I can't quite make out the model number from that picture... Does the heatsink sit crooked on top of that area where the nick has bent the metal up?

Nope just got it in mail ... 

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1 minute ago, jeremywork said:

Definitely a nice upgrade. I'm having no luck with that Motherboard model number, but the FSB difference may come into play.

If your chipset supports 800MHz memory, this could possibly solve your problem. The fact that the motherboard produces the same symptoms with no CPU isn't very encouraging.

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1 minute ago, jeremywork said:

Looks to be chipset 845D. Checking compatibility.

As far as I can see, the Intel 845 chipset series runs a 400MHz front side bus, with support for 533MHz FSB CPUs on most variants. The 800MHz FSB on your CPU is not supported on this chipset, which is why it's acting as though no processor is present. Sorry :/

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2 minutes ago, jeremywork said:

As far as I can see, the Intel 845 chipset series runs a 400MHz front side bus, with support for 533MHz FSB CPUs on most variants. The 800MHz FSB on your CPU is not supported on this chipset, which is why it's acting as though no processor is present. Sorry :/

No any one who could make bios support it with custom bios ?

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