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New at overclocking CPU's, few questions!

post #1 of 6
Thread Starter 
Hi there guys.

I'm new at overclocking CPUs, and I've got a few questions for ya!

Is there any problem with having a high bclock and a low multiplier? For instance 266x15?

My problem is that I've got ****ty 1066 MHz CL7 ram. If I want to hit ~1050 MHz on those ram (with either a multiplier of 4, 6 or 8) I would have to either 178 or 266 bclock. And seing as I'd like to have at least 200 on my bclock, and my multiplier is locked at 20, what should I do?

Is it possible to loosen the mem timings to get a higher dram freq? For instance 1200 MHz, so I could use a 200 bclock and a x6 ram multiplier.

Or am I on a completely wrong track here guys?

Thanks in advance!

Also: On Kingstons website it says that my ram is supposed to run at 1.5V, but in my bios it looks like it's running at 1.559, should I change that to 1.500, or just leave it at the 'default'?
Edited by Xylian - 2/13/11 at 6:48am
    
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post #2 of 6
Thread Starter 
No one? It's weekend for me, so I'd like to utilize my spare time
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post #3 of 6
Thread Starter 
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post #4 of 6
Is there any problem with having a high bclock and a low multiplier? For instance 266x15?
this is fine,even the better way to overclock.

Also: On Kingstons website it says that my ram is supposed to run at 1.5V, but in my bios it looks like it's running at 1.559, should I change that to 1.500, or just leave it at the 'default'?
this is fine too.on this amd of mine i run mine at 1.70(stock is 1.65)
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post #5 of 6
There is nothing wrong with a high base clock and low multiplier. Keep in mind that you can overclock your ram too, I am sure yours can run at over 1066 MHz if you loosen the timings to something like CL9.
Also, with the i5-750 you can turn on turbo to use the 21x multiplier, just be sure to turn of the intel enhanced speed step and the 21x multi will be locked in (at least my board).

Edit: For example my ram will run at CL8 at 1066 MHz but at 1333 MHz it runs at CL9. For above 1600 MHz it will run at CL10. CPUz should show you the memory timing tables for your RAM.
 
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post #6 of 6
Thread Starter 
Quote:
Originally Posted by mdatmo View Post
There is nothing wrong with a high base clock and low multiplier. Keep in mind that you can overclock your ram too, I am sure yours can run at over 1066 MHz if you loosen the timings to something like CL9.
Also, with the i5-750 you can turn on turbo to use the 21x multiplier, just be sure to turn of the intel enhanced speed step and the 21x multi will be locked in (at least my board).

Edit: For example my ram will run at CL8 at 1066 MHz but at 1333 MHz it runs at CL9. For above 1600 MHz it will run at CL10. CPUz should show you the memory timing tables for your RAM.
Thanks a lot for you answer, appreciate it

So will the MB automatically change my timings based on the ram freq I chose? Or should I set this manually?

Also: I set the vcore to 1.3V but when stresstesting I only see it set to 1.23V, am I doing something wrong? Or does the MB simply decide that 1.3 is too much for the current cpu speed and downvolts?
Edited by Xylian - 2/13/11 at 3:14pm
    
CPUMotherboardGraphicsRAM
Intel i5-2500k - 4,7 GHz @ 1.41V ASUS P8Z68 Deluxe Gen3 EVGA GTX 570 - 920/2000 @ 1.1V Corsair 8GB 1600 9-9-9-24 
Hard DriveOSMonitorKeyboard
Crucial M4 128GB W7 Ultimate x64 Samsung 206BW Steelseries 6Gv2 
PowerCaseMouse
Corsair TX850W Cooler Master HAF X Steelseries Sensei 
  hide details  
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CPUMotherboardGraphicsRAM
Intel i5-2500k - 4,7 GHz @ 1.41V ASUS P8Z68 Deluxe Gen3 EVGA GTX 570 - 920/2000 @ 1.1V Corsair 8GB 1600 9-9-9-24 
Hard DriveOSMonitorKeyboard
Crucial M4 128GB W7 Ultimate x64 Samsung 206BW Steelseries 6Gv2 
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