Hi, my Intel I7-3630QM runs up to 3.17 Ghz (3.4 Ghz but should) Hardware Monitor says.
Stepping is OK
Have tried with MaciASL and SSDT generation script (Ivybridge PM), always the same result.
SMBIOS 6.2, 8.2, 9.1, 9.2, 10.1 and tested over the same
Use Clover (latest), APIC kernel patch...