Quick question: are recommended voltages in BIOS/EFI or CPU-Z?

Aye in overclocking guides they always have a recommended max voltage, which currently is what my voltage is set to in the BIOS. But CPU-Z is just over 0.1v under this (I guess that's vDrop?) so was wondering whether it would be safe to set my BIOS voltage to 0.1v over the max recommended. Thanks
 
You using Manual Voltage? what CPU, if you can run your CPU on lower volts and stable all the better.

Manual voltage, 2500K on P67a-gd53, 1.35v in BIOS, 1.336v in CPUZ, 1.17v VCCIO, 1.185v VCCSA, 1.9v PLL. Just trying to squeeze some extra mhz out of it (gets to ~10mins in Prime 95 at 4.6Ghz, then crashes), but don't want to damage anything, this processor needs to last 18 months and I don't really wan't to be buying a new one.

On a side note my fan controller just broke so dropped down to 4.4Ghz at 1.3v for now to keep temps down as i've disconnected a couple of fans which are way to loud without a controller.
 
My motherboard apparently doesn't support offset voltage. But anyway i thought that that wasnt really a problem as AFAIK having a high idle voltage won't damage anything? Just wanting to increase the voltage so that CPUZ is max recommended but BIOS is > max recommended if its safe? TIA

Edit: just seen your last post, haven't tried auto voltage, didn't want to try that and for it to put dangerous volts through the chip, or would it stick to safe?
 
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Oh i've been hearing 1.35 as the max for 24/7, but then again they were old posts/threads, is this higher voltage a new thing? TIA
 
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