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Change Changing Phenom II X4 core speed from constant to variable

ashatron

ashatron

ashatron

Associate
Joined
15 Sep 2009
Posts
659
Location
Sheffield
Hi all,

I have a new system with -
phenom x4 955 be cpu
and Gigabyte AM3 880GMA-UD2H Rev 2.0 mobo

When i run cpu-z the core speed is always 3816/3817 - 3.8 ghz (it is overclocked).

It does not increase or decrease at all. I would like to enable my cpu so that it has a variable core speed, so when im not doing cpu heavy stuff it runs at a lot less, saving energy, lower temps etc.

I read another thread which had a similar issue but the other way round (it was low core speed but would increase if needed), and i think they said to enable something in the bios. but i dont know what setting it is.

(also if anyone can direct me to overclocking information for my cpu, that would be great, im wanting to drop it to 3.6ghz)
 
the amd speed stepping thing i cant remember.. someone else will know tho

as for underclockin its fairly simple on your mobo simple go into bios

find the screen with cpu miltiplier on it (dont recall its name)
then drop it down from (im guessing it starts at 17?) 17 to 16.5 or 16 depending on which one gets the clock seed you want

shouldnt have to fiddle with volts unless you wanna but youd have to ask someone else about that :D
 
DJ_Hughesy said:
as for underclockin its fairly simple on your mobo simple go into bios

find the screen with cpu miltiplier on it (dont recall its name)
then drop it down from (im guessing it starts at 17?) 17 to 16.5 or 16 depending on which one gets the clock seed you want
Click to expand...

That worked a treat, dropped it from 19x200, to 18x200, thanks mate :)
 
DJ_Hughesy said:
no worries man :)

great thing about black editions :)

im guessing as it was at 3.8 someone else overclocked it for you or you bought it overclocked?
Click to expand...

exactly! :)
it was fine at 3.8, and im sure it would last as long at 3.8 as it would at 3.6, but it a convoluted way it makes me think "its not stressing the cpu tooo much :p"

either that or i just wanted to act like a pro pc tweaker by changing 1 setting :D
 
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