asus (and asrock )boards have the same problems; it seems to be a combination of components(mobo+psu+cpu) base clock is standard at 133 ; Tyr has overclocked the cpu( very easy with this one) I.m going to try my luck with a msi board(has a different phase regulation than asus/gigabyte/asrock. Adjust...

disabeling speedstep and c1e does not solve the problem
Maybe disabeling c-states is a solution,but turbo-boost will not work anymore

It seems to be a problem with the intel p55 platform
It is caused by the energie saving of the cpu; the voltage is constant changing at low load
Putting a load on the cpu or setting the Vcore at a fixed level is a solution to the problem

I have a Gigabyte p55-ud3 At normal settings it makes in the psu crackling noise Also once in a while it emits a bios like beep Psu noise I've overcome with setting vcore at a fixed amount Ive read similar about the asrock boards Any can recommend a combo of p55 mobo +psu that is silent; i want to b...

Hi I have the same problem : setup gigabyte p55 ud3 with an i5-750 a high crackling noise from the psu with low cpu activity I've tried changing the setup : different gpu ; ram : psu Changing the psu only changes the color of the noise I've tried psu of nexus nx4000 , corsair hx 520 , corsair hx 750...