How to remove the low-frequency peep in the system unit.

Hello everyone, I decided to write about one challenge, when from the motherboard near socket CPU audible low frequency noise. He may be on the verge of hearing, even as interference in the headphones when connected via usb. It may appear from the movement or scrolling of the mouse. The noise is usually active when idle system no load, but when running games may disappear or become quieter. This is due to the operation of the system of energy saving processor. The details did not elaborate, but it kind of lowers the CPU frequency in idle, and disables idle cores. In the end your percent idle can consume some 22W. To get rid of the annoying squeak, you need to go to the BIOS. Can be called Advanced Bios Features or Advanced Frequency; CPU Core Frequency. Find and disable CPU EIST Function" and"core c6 state.