Overclocking/Turbo core issue


I am trying to increase the turbo core/boost of my Athlon 750k to 4.2GHz in the bios but when I do so it inadvertently turns off turbo core and runs at stock 3.4GHz. In AMD Overdrive software I can only turbo up to 4.0GHz which is why I tried to change it through the bios but as mentioned before, if I turn it up any higher, it switches it off.

I was not really concerned about this as I thought I could turn off turbo core and just overclock it manually but when I overclock to 4.3GHz my benchmark scores are worse than if my CPU had turbo core on to 4.0GHz.

My motherboard is an Asrock A85x Extreme 4 M

Any help would be much appreciated. Thanks :)
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  1. When you manually overclock are you setting the voltages manually or just using auto?
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