联想电脑有杂音搜索以后是这样的解决办法请问大神这是什么意思有什么用

set vr ia slow slew rate for deep package c state ramp time;slow slew rate equals to fast divided by number.the number is8 16 to slow down the slew rate to help minimize acoustic niose.
please dont modify this option value if dont konw the modified impact