EIST (SpeedStep) not working

I've been tweaking my rig for a few days. Got rid of DSDT.aml, upgraded Clover, tweaked BIOS, removed junk from EFI, etc.

All seems to be running well, but I notice I don't have EIST working. CPU is constant at my OC frequency.

Where do I begin to solve this? I Googled and saw all kinds of information ... mostly about using https://github.com/Piker-Alpha/ssdtPRGen.sh to create an SSDT. But I never had one before; and EIST was working. I guess because of the DSDT I was using before?

I enabled EIST and C6/C7 in BIOS and in clover config, but a few threads said to DISable EIST in BIOS.

Also I have an old mobo, so not sure what's relevant and what's not. (ssdtPRGen.sh says 'unknown processor' for my i7-970)

Where do I begin to solve this?

  • Gigabyte GA-X58A-UD3R rev2 bios FE
  • MacOS 10.12.6
  • Clover_v2.4k_r4380
  • i7-970 3.2 OC'd 3.8
submitted by /u/dan_zg
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