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What is the stock voltage on the E8400?

Forum CPU & Components : CPUs - What is the stock voltage on the E8400?

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Raider00657   08-02-2009 at 01:57:57 PM

Hey guys, I hope i have put this in the right place.

I've been having alot of trouble with Windows 7 getting two or three BSOD every day. I think it could be an unstable overclock which was fine in xp but maybe its different in windows 7. I have had them whilst playing games and when closing games and after a long idle. I have also had them whilst listening to music.

I have overclocked to 4.0ghz at 1.24... volts but i may be undervolting as no one seems to know what the stock voltage is i have seen different answers everywhere and i can't find it on the intel website.

The memory is running at 1066 at 2.1v

any help would be apprecicated

Cheers Alex

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o1die   08-02-2009 at 02:18:28 PM
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The problem is probably with windows 7; you can bump up the voltage a little more to about 1.3-1.35 and still be safe with a stock heatsink. Monitor your temps; they shouldn't go above 65c under load. The cpu voltage listed in the bios will vary a little with each motherboard. Also be sure eist (speedstep) is disabled in the bios when overclocking.

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Raider00657   08-02-2009 at 04:54:42 PM
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Thanks for the reply. I have set the vcore to 1.3v. Also i don't have a stock heatsink so its running at 40 degrees idle 56 degrees under load. I have the Gigabyte EP45-UD3P

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Bronze CPUs badge cjl   08-02-2009 at 05:05:28 PM
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Are you running Win7 x64? Sometimes, a CPU that is just slightly unstable will be fine in a 32 bit OS, but run into trouble on a 64 bit. I don't think it is Windows though - I've been running the beta and RC on a wide variety of systems for quite a while now, and haven't had any trouble. Is it better with the higher voltage now?

Message quoted 1 times
------------------------------ Asus P6T deluxe
i7 965 @ 4.2GHz (200*21), 1.384V
12GB Corsair Dominator DDR3-1600 CAS 7
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Raider00657   08-02-2009 at 11:17:39 PM
- 0 +

cjl wrote :

Are you running Win7 x64? Sometimes, a CPU that is just slightly unstable will be fine in a 32 bit OS, but run into trouble on a 64 bit. I don't think it is Windows though - I've been running the beta and RC on a wide variety of systems for quite a while now, and haven't had any trouble. Is it better with the higher voltage now?


no still blue screening

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Shadow703793   08-02-2009 at 11:29:55 PM
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Download CoreTemp. Then look under "VID". That will tell you the stock voltage for your CPU. Stock voltages are different from CPU to CPU.

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http://farm4.static.flickr.com/3553/3818083596_1a772f7162_o.gif
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