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Windows 7: Question about overclocking my E5400.

30 Oct 2011   #11
Wishmaster

Windows 7 Home Premium 64bit
 
 

You really dont want to exceed the 1.36v. Once you get beyond that point, not only will there be more heat but your also getting into the danger area, especially for 24/7 use.
It also gets to the point that diminished returns grow much more rapidly.

What I would do, is stay around 1.28v or maybe 1.3v. This is a good area for these CPUs IMHO for a 24/7 OC, without being to hard on them.
Just set the RAM to run as slow as it will allow you to.

Then slowly start bumping up the FSB 5mhz at a time until you Blue Screen, or Windows will no longer boot. Sometimes you can get into Windows and then crash right after the desktop comes up.
Once any of these things happen, you know thats the CPU wall at that voltage.

So if you do not want to increase voltage anymore, drop the FSB speed about 10mhz from the time it blue screened and start testing.
If it fails a stress test, drop the FSB a bit and try again.
Once the CPU seems stable enough, set your RAM.

Id just set the RAM to run as close to spec as possible, or little over.

Just keep a close eye on your temps.


In this voltage range, I think 3.0 is easily achieved.
Although I do not know much about that CPU in particular, most Intel CPUs can do a 20-25% OC fairly well.
So I would guess 3.2Ghz would easily achieved, with proper cooling.

But keep in mind, how well that CPU can OC will depend on the chip itself, cooling, RAM, and how well your motherboard itself can deal with OCing.
You just need to find a place where its all happy together. It may take some time.

Short runs of Prime for an hour or 2 are OK for a quick test,as a very unstable OC will have issues in that time.
But that doesn't mean the OC stable, just that your getting close.

Once you think youve got everything sorted, youll want a Prime run of 10hrs at least to be sure all is OK. If it can do that error free, you can be fairly ceratin you have a stable OC.


My System SpecsSystem Spec
07 Nov 2011   #12
StalkeR

Windows 7 Ultimate SP1 x64
 
 

I'll post my oc here... System is stable now,temps are also good.

My System SpecsSystem Spec
08 Nov 2011   #13
Wishmaster

Windows 7 Home Premium 64bit
 
 

Very nice
CPU Vcore looks to be at a good place to.
My System SpecsSystem Spec
08 Nov 2011   #14
StalkeR

Windows 7 Ultimate SP1 x64
 
 

Thanks Wishmaster. And yes, vcore is good also.
My System SpecsSystem Spec
10 Nov 2011   #15
StalkeR

Windows 7 Ultimate SP1 x64
 
 

Thanks to all who have answered here, that helped me a lot. So I marked this thread as solved. At the end here are my latest results, oc'd at 3.3GHz.



Again, big thanks !
StalkeR
My System SpecsSystem Spec
12 Nov 2011   #16
Wishmaster

Windows 7 Home Premium 64bit
 
 

Looks very good.
My System SpecsSystem Spec
12 Nov 2011   #17
Corazon

Windows 7 Professional SP1 32-bit
 
 

Awesome! Congratulations on an overclock well done - that's a nice jump there.

Just to be sure, you did make sure to adjust the FSB:RAM ratio? You probably did - with that kind of FSB, if you hadn't your RAM would already have packed in I think.
My System SpecsSystem Spec
12 Nov 2011   #18
StalkeR

Windows 7 Ultimate SP1 x64
 
 

Quote   Quote: Originally Posted by Wishmaster View Post
Looks very good.
Thanks Wishmaster !

Quote   Quote: Originally Posted by Corazon View Post
Awesome! Congratulations on an overclock well done - that's a nice jump there.

Just to be sure, you did make sure to adjust the FSB:RAM ratio? You probably did - with that kind of FSB, if you hadn't your RAM would already have packed in I think.
Thanks Corazon.

Yes, I adjust the FSB:RAM ratio...
My System SpecsSystem Spec
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 Question about overclocking my E5400.




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