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e8400 overclockin' - Page 2

post #11 of 46
Yes im really impressed with this chip but I am alittle concerned with temps...I sometimes spike at 63c on full load, though its only for a couple secs on prime95 (usually loads 55-59c) so that could be a limiting factor in reaching 4.0 unless i make the switch to water...I may do that anyway.
post #12 of 46
Quote:
Originally Posted by 00t View Post
whats a good batch number to have?
Ditto on that question.

As for my batch number, I will have to wait a month until I move to find out what mine is, as I have to take out my mobo in order to remove my CPU cooler. I got my E8400 from Newegg literally the first day it was available in Jan, you think I have a good batch number?
post #13 of 46
Quote:
Originally Posted by hairston630 View Post
Yes im really impressed with this chip but I am alittle concerned with temps...I sometimes spike at 63c on full load, though its only for a couple secs on prime95 (usually loads 55-59c) so that could be a limiting factor in reaching 4.0 unless i make the switch to water...I may do that anyway.
If you are using CoreTemp, use RealTemp instead as it is better for 45nm processors. If you are already using RealTemp, then damn, that is hot. I have mine at 3.6GHz at the stock volt of 1.225, I wonder what I could hit if I upped the volts a little.
post #14 of 46
Quote:
Originally Posted by bioniccrackmonk View Post
If you are using CoreTemp, use RealTemp instead as it is better for 45nm processors. If you are already using RealTemp, then damn, that is hot. I have mine at 3.6GHz at the stock volt of 1.225, I wonder what I could hit if I upped the volts a little.
Yes im using realtemp and it is hot but im also running a gx2 in an antec 300 (bout to add a second gx2! lol). I may redo the as5 and spread it vertically across the proc lid. I just re did it 2 days ago so that may be a reason why its hotter as the paste hasnt cured at all. All those seem to explain the high temps...I may just switch over to water.

I would go higher with stock voltages then test it with prime or orthos...if it works then you dont need a voltage increase...If it doesnt THEN up the voltage a little, just dont overdo it.
post #15 of 46
Quote:
Originally Posted by bioniccrackmonk View Post
If you are using CoreTemp, use RealTemp instead as it is better for 45nm processors. If you are already using RealTemp, then damn, that is hot. I have mine at 3.6GHz at the stock volt of 1.225, I wonder what I could hit if I upped the volts a little.
That is a little warm.
3.6 @ 1.216 (cpuz)
35c idle
51c load

The voltage can increase greatly as you go beyond 3.6
For 3.8 I need 1.28
All depends on your chip.
post #16 of 46
Try searching google (e.g. E8400 batch). There are threads all over many forums about the topic.

Also, ifyou have a retail CPU, the batch number is also on the box.
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post #17 of 46
Thread Starter 
Hey guys, not to be a douchebag or anything but don't hijack my thread too much now , I'd like to keep it slightly on topic, so just don't venture too far off

I tried 1.375v (1.35 real) and it was a no go.....

I passed 2 hours of 1.368v real and i'm about to go for the big 6 hour run.
Anybody have any advice on using the PLL's and stuff like that? Haven't touched them yet. Here are some BIOS shots










Edited by Kopi - 6/27/08 at 12:46pm
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post #18 of 46
Quote:
Originally Posted by Kopi View Post
Hey guys, not to be a douchebag or anything but don't hijack my thread too much now

I tried 1.375v (1.35 real) and it was a no go...
Acknowledged. Backed to the original topic. That is a little too high of vcore for that proc according to the recommendations. What are you clocked at right now? What multi are you using as well?
post #19 of 46
It's likely your mobo causing the need for that much vcore in additional to a possibly bad chip. Upgrade to an x38/x48 or p45 or try the chip in another mobo if possible. Vcore is way too high for the freq you're getting.
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post #20 of 46
Quote:
Originally Posted by Kopi View Post
So the P5K prem is back from RMA and its going to help me get 4ghz.

Right now, the only way I can get there is by 1.3875v in BIOS, and that works out to 1.368 in windows.

Now a very knowledgable fellow had advised that this voltage is pushing it for 45nm chips..just wanted some more input on this if possible, because others are telling they've been running these volts for a few months now.
Quote:
Originally Posted by Kopi View Post
Hey guys, not to be a douchebag or anything but don't hijack my thread too much now

I tried 1.375v (1.35 real) and it was a no go...
http://www.xtremesystems.org/forums/...d.php?t=173999

http://www.ocforums.com/showthread.php?t=559368

http://www.ocforums.com/showthread.php?t=560531
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