Bill Holler wrote: > Hi John, > > The "kstat cstate" shows your system is now using C1 and C3. > > Your BIOS is *not* enabling C2. Many BIOS do not enable C2 > by default due to a bug in another OS. The BIOS option to > enable C2 is often obscurely worded, so you may have to poke > around in the BIOS options to find it. The (Auto, C1, C1E, C3, C6) > BIOS setting you mentioned is the "package level C-state" not > per-core level C-state. > The only CPU PM options offered in the eVGA X58 SLI SBIOS:
Intel Speed Step [Enabled | Disabled] CxE Function [Auto | Disabled | C1 | C1E | C3 | C6] I did check "kstat cstate" on a Tecra M10 and it does offer C1,C2,C3.
