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Noob overclocking P35C DS3R

Last response: in Overclocking
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December 19, 2009 6:18:13 PM

Hi,

I have a c2d e6750 on Gigabyte P35C DS3R board with 4gb (2x2) corsair PC2-6400 ram. I wanted to try overclocking for the first time. I only changed the CPU Host Clock Control to Enabled and CPU Host Frequencey (mhz) to 400 and left everything else at default.
I check with CPU-Z at I see that core speed is at 2400 Mhz at 6x multiplier but sometimes jump to 3000Mhz at 8x multiplier for a few seconds. Core voltage usually at 1.408 sometimes go to 1.392. Also, clicking on SPD tab, I see that JEDEC #1 and JEDEC #2 are different. #1 is at 270 MHz (4-4-4-13-15) while #2 is 400Mhz (5-5-5-18-22) both at 1.8V.
Am I doing this right? I don't know what the numbers mean. I just find it weird how the core speed fluctuates like that. PLease help noob. Thank you.
a b V Motherboard
December 19, 2009 6:45:13 PM

http://www.tomshardware.co.uk/forum/page-245679_11_0.ht...

http://www.tomshardware.co.uk/forum/page-240001_11_0.ht...

Fluctuating multiplier and in effect core frequency is due to powersaving features like C1E or SpeedStep. Voltage dropping under load is quite common as well, I wouldnt worry much about it.

SPD tab shows modes programmed into the SPD, the one your memory actually runs at is shown in Memory tab.

Read the guides i linked above, will help you understand a lot.
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December 21, 2009 8:59:44 PM

Thanks for the reply. So did I do it right? I do not see a difference from before. Should I increase Mhz?
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a b V Motherboard
December 21, 2009 10:00:02 PM

In theory, yeah. Im not sure what difference you expected to see?
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