Originally Posted by
sin0822
SVID is serial VID, it is a digital bus between the CPU and the PWM(which is the control chip for the VRM) and it basically allows the CPu and the VRm to talk and pick the right voltage for the frequency. CPU can select its own voltage on the go, max is 1.52v, but it never picks that high. It was introduced on the Intel side with Sandy Bridge, it is what allowed people to just increase the multiplier to 4.2-4.5ghz without needing to change the voltage. it is also what makes DVID offset not so straight forward b/c you can't control your stock vcore and you can't disable SVID. Because of SVID your VID at 3.3ghz and your VID at 4ghz or 4.5ghz are going to differ.
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