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Intel E8400 ultimate overclocking - Page 3

post #21 of 39
Thread Starter 
Quote:
Originally Posted by Aawa View Post
your cpu voltage is too low. 1.2v while pushing 4.05ghz will most likely lead to unstability of your OC. However if you are able to get it to load and 15min stress test with that, you have a good cpu. But my bet is if you run stress test for more than an hour it will end up failing because the low cpu voltage.
You are probably right, because that's why I'm also sure about that it couldn't handle antivirus update and the editor, but with higher CPU voltage it would be easy for it, so I'll give a shot. What do you think about 1.25V?

I'd like stay under 1.30V, because I think it's going to get a little bit too hot, not sure, but it's possible.

Just increased the CPU voltage to 1.25V and it's +1.23V after drop. I'm going to test my system really soon, 1-2 hours running orthos (RAM and CPU testing). Then I'm going to play a lot and test everything that could crash it, and if not, it's stable and maybe trying to get higher.
Edited by Biatch - 12/22/08 at 8:53am
post #22 of 39
Quote:
Originally Posted by Aawa View Post
However if you are able to get it to load and 15min stress test with that, you have a good cpu. But my bet is if you run stress test for more than an hour it will end up failing because the low cpu voltage.
Qft, it takes like 1.4 volts in BIOS, 1.38 in CPU-z, to get mine stable at 4 GHZ :C
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post #23 of 39
He has an E0 though, there's a good chance it will do 450fsb with under 1.25V......my old E0 e8500 does over 4.1ghz at 1.168V...no idea what my current one does at that voltage though because I really don't see the point. Crank the vcore and go for the highest fsb you can !
    
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post #24 of 39
Thread Starter 
Quote:
Originally Posted by gurusan View Post
He has an E0 though, there's a good chance it will do 450fsb with under 1.25V......my old E0 e8500 does over 4.1ghz at 1.168V...no idea what my current one does at that voltage though because I really don't see the point. Crank the vcore and go for the highest fsb you can !
I was thinking the same, but I'm really sure it wasn't stable, and now it's over 1.20V after drop, so, I think it's stable finally.
post #25 of 39
On an earlier screenshot it shows you have a somewhat older bios revision. I'd suggest you download the latest bios from the Asus website, it improves ram stability a bit.
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post #26 of 39
Thread Starter 
I would try that. I haven't update my BIOS yet, because I don't like it at all. I'm sure it'll help.
post #27 of 39
Oooo, maybe I should update my BIOS, and then I can get 4 GHz stable, too.

I would try reseating your HSF, though. Getting high temps at 1.3V shouldn't be an issue. Even at 1.35V, my CPU runs 2 degrees over ambient at full load. So, I would definitely check to make sure that your HSF is seated properly if you start to run into any temperature problems in your OCing endeavor.
post #28 of 39
Thread Starter 
Quote:
Originally Posted by pow3rtr1p View Post
Oooo, maybe I should update my BIOS, and then I can get 4 GHz stable, too.

I would try reseating your HSF, though. Getting high temps at 1.3V shouldn't be an issue. Even at 1.35V, my CPU runs 2 degrees over ambient at full load. So, I would definitely check to make sure that your HSF is seated properly if you start to run into any temperature problems in your OCing endeavor.
Heatsink has been reseated a few times, and I'm pretty sure it's inserted well, but maybe I should take a look tomorrow morning, when I touch the heatsink, it's not even hot.

I have inserted it well, there should be enough some compound.

What's the idea in those strings with the screws that don't let it move?
Edited by Biatch - 12/22/08 at 12:16pm
post #29 of 39
Quote:
Originally Posted by pow3rtr1p View Post
Oooo, maybe I should update my BIOS, and then I can get 4 GHz stable, too.

I would try reseating your HSF, though. Getting high temps at 1.3V shouldn't be an issue. Even at 1.35V, my CPU runs 2 degrees over ambient at full load. So, I would definitely check to make sure that your HSF is seated properly if you start to run into any temperature problems in your OCing endeavor.
20C over ambient, I hope you meant
    
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post #30 of 39
Quote:
Originally Posted by gurusan View Post
20C over ambient, I hope you meant
No, I meant 2C. These 45nm chips don't output much heat. I really don't see what everyone else is on about. With all of my temp-monitoring programs (Everest, Speedfan, CoreTemp, RealTemp) my load temp never got over 40C, and when I have it at 3.6GHz, load would be 32C, with an ambient of 30C.
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