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intel e4500 default voltage too high!?

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hi guys,

i got a brand new revision m0 e4500 on a msi p35 neo2 mobo

i go into cpu-z and the core voltage is 1.325V with no OCing!! tested with orthos and was stable.

just to get it orthos and OCCT stable @ 2.7 ghz, i had to raise the cpu voltage to 1.375!

what is wrong?? arent these numbers too high?? my friend has a e6600 @ 3.2 ghz @ default voltage! (1.184v or something)

i am on stock fan with idle temps of 25 - 30C, at load it is 50C

pls help!!

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i've got to say, (on the same board by the way, cheers!) my e2160's voltage, which i raised, is 1.325, and that leaves it stable at 2.8 ghz, and that voltage does seem really very high....

Reply to spuddyt
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There is no help in your case, all cpu have different voltage, so it is pure luck toget a cpu has low vid.
My e6320 needs 1.465 volt to pass 2.8GHZ and my x3210 only needs 1.225 volts pass 3.4 GHZ.
go change to another cpu is the only solution

Reply to bob8701
- 0 +

I've read the posts and I'm not sure we have the correct answer.
I'm checking to find a better description.

This is what I could find so far.

Quote :

VID Voltage Range: The voltage range set by the VID signals as a reference to the VR output voltage to be delivered to the processor Vcc pins. For more details, please refer to the relevant processor specification document



Your Processor Spec ID.
Your Processor Product Documentation.

My take on this is CPU-Z reads the info the BIOS retrieves from the VID pin configuration on your cpu.
The VID pin configuration instructs the BIOS the VReg has to supply the processor 1.325V at start up. This is the push the processor needs to get up and running when the computer cold boots.
I don't think CPU-Z continuously monitors the VReg output for the processor. The voltage applied to the processor is directly proportional to cpu load. At idle load your processor may need 1.1V to operate. At full load your processor may need 1.275V to operate.

Your idle and full load temperatures are ideal. You shouldn't have any problems overclocking your processor to a 1066FSB without having to adjust processor voltage.
Instead of adjusting the processor voltage to achieve a stable overclock have you tried raising the memory voltage and relaxing the memory timings?

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Reply to zpyrd

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MOBO : MICROSTAR, MS-7345
CPU : Conroe, Intel Core 2 Duo E4500
PACK : 775 LGA @ 65nm
L2 C : 2048

I was able to raise this processor to 3.2Ghz using 1.475V (One full Ghz above factory). I use 8x multiplier rather than 11x to sync with memory 1:1 and in turn FSB is raised to 400MHz Rated 1600MHz. Can't remember voltage on FSB at the moment but it's a Intel P35/G33/G31 REV. A2.

I've been running this stable for around 9 months. I tested it under load a long time ago for a few hours, ran fine. Temps are high 70s under load but I don't give a damn. I'm still using stock heat sink other than some of my friends paste.

Hope this helps.

-Scobe

Reply to scobe
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