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<< Solved >> Slow CPU frequency after wake z440 xeon e5-1620v3 on 10.14.6

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Motherboard
HP Z440
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E5-1620 V3
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W7100
Mac
  1. Mac Pro
Hi.

I have installed a vanilla Hackintosh on my HP z440 which has a xeon e5-1620v3 (Haswell) cpu. Everything works perfect, until it goes to sleep. when it wakes intel power gadget shows the cpu frequency stuck at 1.2ghz, and I have to reboot to get back to 3.5Ghz. I haven't been able to get native cpu power management or turboboost to work (machdep.xcpm.mode: 0), and I suspect this could be the issue? I’ve followed this https://www.tonymacx86.com/threads/quick-guide-to-generate-a-ssdt-for-cpu-power-management.177456/ and I'm now using NullCPUPowerManagement.kext to get speedstep working, but it hasn't helped the wake issue. I've look though an number of posts, but nothing mentions this specific issue.

Has anyone else had the same issue? Is this due to lack of xlmc? Does anyone have any ideas on how to solve it?

I'm using the following kexts and my config.plist is attached:
  • AirportBrcmFixup.kext
  • IntelMausiEthernet.kext
  • AppleALC.kext
  • Lilu.kext
  • CodecCommander.kext
  • NullCPUPowerManagement.kext
  • FakeSMC.kext
  • USBInjectAll.kext
  • IntelCPUMonitor.kext
  • WhateverGreen.kext
  • AptioMemoryFix.efi
thanks
 

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  • config.plist
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Joined
Sep 8, 2019
Messages
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Motherboard
HP Z440
CPU
E5-1620 V3
Graphics
W7100
Mac
  1. Mac Pro
In case it helps anyone else, I managed to get it working using the patches from here without using NullCPUPowerManagement.kext:

My current clover config is attached for Mojave 10.14.6 with turbo boost to 3.6ghz and speedstep all working, even after waking up from sleep.
 

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  • config.plist
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Joined
Sep 8, 2019
Messages
29
Motherboard
HP Z440
CPU
E5-1620 V3
Graphics
W7100
Mac
  1. Mac Pro
Just use the latest version of clover with the above listed kexts and attached config file.
 
Joined
Sep 8, 2019
Messages
29
Motherboard
HP Z440
CPU
E5-1620 V3
Graphics
W7100
Mac
  1. Mac Pro
I now have my HP z440 Running Catalina 10.15 and works perfect including speedstep and turbo
Updated EFI folder attached
 

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  • EFI.zip
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Joined
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hi evman,
tried your EFI with Mojave, have exactly the same problem.
Speedstep not working - stuck at 3.5GHz - after wakeup stuck at 1.2 GHz.
Tried other configs, maybe it has to do with BIOS Settings.
so please, could you kindly provide me yours?
regards
 
Joined
Sep 8, 2019
Messages
29
Motherboard
HP Z440
CPU
E5-1620 V3
Graphics
W7100
Mac
  1. Mac Pro
hi evman,
tried your EFI with Mojave, have exactly the same problem.
Speedstep not working - stuck at 3.5GHz - after wakeup stuck at 1.2 GHz.
Tried other configs, maybe it has to do with BIOS Settings.
so please, could you kindly provide me yours?
regards
Make sure you use the initial config file I posted from Mojave. The one in the EFI folder I uploaded is for Catalina. My bios is the latest version and using default settings
 
Joined
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Messages
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thx, will try that after work !
btw... ONE config.plist for Mojave and Catalina should be the goal (and possible)... so using only one clover for several macos is what i want (and have for z240 for example)
regards
 
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Motherboard
HP Envy X360 y13
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Kaby Lake 7500U
Graphics
Intel HD 620
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  1. Mac mini
Mobile Phone
  1. iOS
Even with evman’s latest EFI folder I am still
Hi Laurent,
What version of Catalina are you trying to install? 10.15.2 requires new kernel injections. I have attached an updated EFI folder for it.

Even with evman’s latest EFI folder I am still getting the same error during boot
 
Joined
Dec 9, 2011
Messages
10
Motherboard
Gigabyte GA-Z170X-UD3-Ultra
CPU
i7-6700K
Graphics
RX 580
Mac
  1. iMac
  2. MacBook Air
  3. Mac Pro
Mobile Phone
  1. iOS
Even with evman’s latest EFI folder I am still


Even with evman’s latest EFI folder I am still getting the same error during boot

I got a Z440 for good price days ago, and I could successfully install 10.15.2 thanks to evman's EFI.
The only thing I've changed in his config.plist was disabling inject ATI. With injecting ATI on, the system couldn't boot up with kernel panic. My cpu is 1620 v3 and VGA is RX580. I had to update Z440's bios to the latest one too.

Thank you evman!
 
Joined
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Messages
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Motherboard
HP Z440
CPU
E5-1620 V3
Graphics
W7100
Mac
  1. Mac Pro
Here is the latest EFI working in 10.15.2 and 10.15.3. Note that the xcpm kernel patches are no longer needed to enable xcpm, so hopefully this will work in newer versions of macOS as well. All that was needed for my Haswell Xeon E5-1620 V3 was to enable plugintype in clover!
 

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  • EFI.zip
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Last edited:
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