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Stuck at a core ratio limit of 39?

fireaza
Level 7
Hi guys! I've just brought a Maximus VI Hero with an i7 4770 CPU and since I have a Corsair Hydro 100i, I'd like to overclock it, since it's currently running at 34c 😛

I'm new to CPU overclocking, so I'm not to sure what to do. I've read guides, and the central setting seems to be the CPU core ratio. However, I can't set mine higher than 39, while the guides say I should be able to set to at least 47. Why is this? It seems like the only way I can get a higher clock speed is to increase the BCLK, but the guides recommend leaving BCLK alone.
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2 REPLIES 2

mrgc8
Level 7
is it a 4770k?

fireaza
Level 7
Nope, both the box and CPUZ say "4770", no "k".

*EDIT* Wait... FUUUUUUUU I brought the wrong CPU!!!