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- Jun 14, 2013
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If you're using Chimera or Chameleon bootloader, in /Extra you'll find ssdt_pr.aml. Just rename it as ssdt.aml, install AppleIntelCPUPowerManagementInfo.kext, reboot and check speed steps as stated in that thread from Pike
Thank you!
Found the ssdt_pr.aml, renamed it, rebooted, and the speedstep readouts are:
Jun 20 15:47:15 pauws-mac-pro kernel[0]: AICPUPMI: CPU P-States [ 33 ]
Jun 20 15:47:24 pauws-mac-pro kernel[0]: AICPUPMI: CPU P-States [ 16 33 ]
Jun 20 15:49:37 localhost kernel[0]: AICPUPMI: CPU P-States [ 16 33 ]
Jun 20 16:57:21 localhost kernel[0]: AICPUPMI: CPU P-States [ 16 33 ]
Jun 20 17:21:54 localhost kernel[0]: AICPUPMI: CPU P-States [ 16 33 ]
Jun 20 17:22:00 Pauws-Mac-Pro kernel[0]: AICPUPMI: CPU P-States [ 16 21 33 ]
Jun 20 17:23:29 pauws-mac-pro kernel[0]: AICPUPMI: CPU P-States [ 16 21 27 33 ]
So I think creating (and using) the ssdt file has worked!
That is cool. I suppose 4 frequencies are the native states. Fine by me.
One hour ago (while waiting on an answer about the not working ssdtPRGen-script) I already installed that AppleIntelCPUPowerManagementInfo.kext and then I only had 2 states: 16 and 33
Glad to know my CPU is now running at speeds it's suppossed to.
(by the way, in HWmonitor/graphs i can clearly see the 4 speeds)
Thanks for helping me!