Undeclocking on a non-Z chipset

MattCookR1

MattCookR1

MattCookR1

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6 Oct 2015
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hi there, my first post here. I want to know if underclocking is ever possible on H-chipset with an unlocked CPU, specially on the newer H170 chipset. I have read that Z-chipset allows you to overclock the chip but other chipsets can perfectly fine underclock any chip.

Can anyone confirm that to me?, specially if you are owner of the new Skylake chipsets H170, I can't find anything concrete about it on the net, I'm starting to believe I'm the first person on earth to have such a question. Thank you.
 
Hi and welcome to the forums. :)

I can overclock my Haswell 4670k on a B85 board. Some H81 boards do it too but I believe that ability has been removed from the Skylake non Z boards.
 
pastymuncher said:
Hi and welcome to the forums. :)

I can overclock my Haswell 4670k on a B85 board. Some H81 boards do it too but I believe that ability has been removed from the Skylake non Z boards.
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Hey thank you. Is your motherboard from ASUS by chance? they managed to enable overclocking on non-Z chipsets for Haswell and Haswell-Refresh unlocked CPUs.

I have been told it is possible to underclock with any chipset and so far I got only one confirmation from A Gigabyte B150M + i5-6600(non-K), the option to adjust the multiplier is there but can't be changed from Auto to Manual it only allows adjust the voltage, and It have a note on the right side saying that It can only be changed on K unlocked CPU. I supposed It didn't allow make any changes because it was a locked CPU.

I also have read the digital user manual from some ASUS H170 motherboards, they give introduction of what setting is for and what can do each (referring to core multiplier) and don't warn about any limitations or anything.

I only wish someone can confirm that to me :)
 
Not a Asus but a Gigabyte B85M-D3H. Overclocks my 4670k to exactly the same clocks and the same settings as my Hero only it was £90 cheaper!!

I think you are going to be out of luck and to underclock you need a board that can overclock if you see what I mean. You need to have access to the options and unless it detects a K series cpu they will most likley be greyed out or unselectable.

Why do you need to underclock anyway? If it's a power issue the 6600 is only a 65w part anyway so sucks very little power. My whole pc at idle only pulls 62w at the wall and modern cpu's are very power efficient.
 
pastymuncher said:
Not a Asus but a Gigabyte B85M-D3H. Overclocks my 4670k to exactly the same clocks and the same settings as my Hero only it was £90 cheaper!!

I think you are going to be out of luck and to underclock you need a board that can overclock if you see what I mean. You need to have access to the options and unless it detects a K series cpu they will most likley be greyed out or unselectable.

Why do you need to underclock anyway? If it's a power issue the 6600 is only a 65w part anyway so sucks very little power. My whole pc at idle only pulls 62w at the wall and modern cpu's are very power efficient.
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I want to match an i7-6700T, which is yet unavailable in the US so I decided to go with the unlocked multiplier i7-6700K. I already have it just need the board, it seems like I have to consider the Z170 chipset.

And Thank you for trying to help first and ask why I want to do that second :). Everywhere I go asking the same, people do the other way around, or just ask and don't try to help :)
 
I do try to help when I can. :)

Looking at the prices on here there is not a vast difference in prices between the cheapest H170 and Z170 boards anyway, only £8 unless you wanted a M-atx board and then it opens up a bit. At least with a Z series board if your needs change you could always go from underclocking to overclocking and a Z series board should have a better resale value in the future.
 
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