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Windows 7: i5 750 and Ram speeds

30 Aug 2010   #1
Evilclive

Windows 7 Home Premium 64-bit
 
 
i5 750 and Ram speeds

I want to do a relatively small overclock.

In my bios i have c states, turbo boost and speedstep disabled. Dont see a cE1 setting anywhere. My base clock speed is 160 at 20 multiplier so 3.2ghz. But my 1066mhz ddr3 ram is at 1281mhz at an 8 multiplier. Is it safe for my memory to be at that speed or should i take the multiplier down to 6 making it 979mhz?

Any help would be great!


My System SpecsSystem Spec
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30 Aug 2010   #2
A Guy

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1
 
 

Did you run Memtest and see if any errors. You have some good Kingston Ram, so it may be ok. Suggest you post some screenshots of your CPU-Z tabs, and lets see what your voltages are, etc.

A Guy
My System SpecsSystem Spec
31 Aug 2010   #3
Evilclive

Windows 7 Home Premium 64-bit
 
 



Uploaded with ImageShack.us

No overclock.


My System SpecsSystem Spec
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31 Aug 2010   #4
A Guy

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1
 
 

Actually was interested in seeing those with the overclock. You have good ram, and tight timings. The ability to run Memtest through several cycles would probably be the deciding factor. You would be running the memory at considerably more than it's rating though. Perhaps post the same screens with the overclock. There are certainly members who are more experienced with Ram that can reply also.

A Guy
My System SpecsSystem Spec
31 Aug 2010   #5
kurahk7

Windows 7 Ultimate x64
 
 

I hope you have an aftermarket hsf for your processor; it is not recommended to do any overclocking on the stock hsf.
Edit: In my experience with overclocking, it is best to run the ram at it's rated speed or even slightly slower, overclocking the ram can cause the ram to error (happened to me twice) and might require you to replace it.
My System SpecsSystem Spec
01 Sep 2010   #6
Evilclive

Windows 7 Home Premium 64-bit
 
 



Uploaded with ImageShack.us

Ok here is my overclock info with prime95 running. My temperatures are the same with or without the overclock which is kinda odd. I heard the temps wont increase unless you increase the core voltage is that correct? Also even though my cpu fan speed is at 100% it is only at 2400RPM even though the max is 3000RPM. Most of the time it runs at 2800RPM, find it kinda odd that it fluctuates when it suppose to be at 100% speed. My tempertures when the cpu fan is working correctly(2800-3000rpm) are about 3-4 degrees Celsius lower then whats in that picture i just posted.

I set the ram speed multiplier down to 6 from 8 so its running a little slower(about 100mhz slower). I dont like have the ram running slower, but not sure if its safe to run it 200mhz faster than stock. I did try it out at 1281mhz in a game for a couple hours and didnt notice any problems.

This intel board has very little options in bios for overclocking. I dont see anything about Qpi link in there and i cant seem to set my own core voltage. It just says core voltage override and then it gives me two options 100mV and 50mV(???).

Edit: Turbo boost off, cstate on, speedstep on.
My System SpecsSystem Spec
01 Sep 2010   #7
thefabe

Windows 7 ultimate 64 bit / XP Home sp3
 
 

I have a hard time reading your uploaded files, you might want to read through this tutorial and use it.https://www.sevenforums.com/tutorials...ums.html?ltr=H
Using the snipping tool and saving the image and iploading via the paperclip would give us a lot better image.
Well atleast for us older members. Thanks. Fabe
My System SpecsSystem Spec
01 Sep 2010   #8
Evilclive

Windows 7 Home Premium 64-bit
 
 

Quote   Quote: Originally Posted by thefabe View Post
I have a hard time reading your uploaded files, you might want to read through this tutorial and use it.https://www.sevenforums.com/tutorials...ums.html?ltr=H
Using the snipping tool and saving the image and iploading via the paperclip would give us a lot better image.
Well atleast for us older members. Thanks. Fabe
Click on the picture then when it takes you to the website click the zoom toggle. Should be real easy to read it then.

My System SpecsSystem Spec
01 Sep 2010   #9
thefabe

Windows 7 ultimate 64 bit / XP Home sp3
 
 

Quote:
Click on the picture then when it takes you to the website click the zoom toggle. Should be real easy to read it then
Sorry my mistake didn't see that either.
If your Ram will run at the higher speed without having to increase the voltage any and your not getting any errors or increased heat, I would think it to be Ok. Looks like a good overclock to me. Fabe
My System SpecsSystem Spec
01 Sep 2010   #10
Evilclive

Windows 7 Home Premium 64-bit
 
 

I just wanted to post this to find out what the deal is, found this to be kinda odd. I did two Everest CPU and Memory benchmark tests. One with c state and speedstep enabled the other with them disabled. Look at the higher memory values with c state and speedstep enabled...whats with that?

C state and speedstep disabled




C state and speedstep enabled

My System SpecsSystem Spec
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 i5 750 and Ram speeds




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