i always disable C3/C6

EIST(desktop) dynamically increase/decrease its clock speed between its minimum clock and its normal operating frequency, as well as voltage, in order to optimize for power consumption.
in other words a performance reduction while using the system, the system may feel you don't need full power. drats just heard a drop out.

C1E Halt: while similar reduces Clock speed by adjusting the multiplier (Core clock to system bus ratio) and to some degree VID. (voltage) this is a more common occurrence with light use
or on today case of Multicore shutting down a core or 2.

C3, C6. This is a deeper sleep with a complete core(s) shut down (Gate off) and no voltage/Data at all. harder to recover from quickly, previous data is cached elsewhere and needs to be re-cached in L3 memory
to re initialize full muliticore, multithread use. Part of Core parking

 

Quote:

Originally Posted by VonDutch

i always disable C3/C6

EIST(desktop) dynamically increase/decrease its clock speed between its minimum clock and its normal operating frequency, as well as voltage, in order to optimize for power consumption.
in other words a performance reduction while using the system, the system may feel you don't need full power. drats just heard a drop out.

C1E Halt: while similar reduces Clock speed by adjusting the multiplier (Core clock to system bus ratio) and to some degree VID. (voltage) this is a more common occurrence with light use
or on today case of Multicore shutting down a core or 2.

C3, C6. This is a deeper sleep with a complete core(s) shut down (Gate off) and no voltage/Data at all. harder to recover from quickly, previous data is cached elsewhere and needs to be re-cached in L3 memory
to re initialize full muliticore, multithread use. Part of Core parking

+rep, thanks nice info

So If my PC never is in sleep mode (It is either On or it is completely off), I could just then disable c3/c6?

I'm not entirely sure why C3/C6 would make my system unstable?