Hi, I'm having trouble getting speedstep working via your guide.
Here's my SSDT.aml
DefinitionBlock ("./SSDT.aml", "SSDT", 1, "INTEL", "PPM RCM ", 0x80000001)
{
External (\_PR_.CPU7, DeviceObj)
External (\_PR_.CPU6, DeviceObj)
External (\_PR_.CPU5, DeviceObj)
External...