[Guide] How to Generate SSDT for Coffee Lake CPU


EliteMacx86

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Jul 22, 2018
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Motherboard
GIGABYTE Z370 AROUS GAMING 3
CPU
Intel Core i9 9900K
Graphics
2xAMD RX 580 8GB
OS X/macOS
10.14.6
Bootloader
Clover (UEFI)
Mac
MacBook Pro
Mobile Phone
Android, iOS
The new coffee lake CPU has been released but no CPU support has been added to the ssdtPRGen script. Here's a quick way to generate the SSDT for new Coffee Lake CPUs.

This method is supported on the following.

Supported Processors

1. Desktop
  • i7-8086K
  • i7-8700K
  • i7-8700
  • i7-8700T
  • i5-8600K
  • i5-8600
  • i5-8600T
  • i5-8500
  • i5-8500T
  • i5-8400
  • i5-8400T
  • i3-8350K
  • i3-8300
  • i3-8300T
  • i3-8100
  • i3-8100T
2. Mobile
  • i7-8850H
  • i7-8750H
  • i7-8700B
  • i7-8559U
  • i5-8500B
  • i5-8400B
  • i5-8300H
  • i5-8269U
  • i5-8259U
  • i3-8109U
  • i3-8100H
Download the script
1. Download the script below from the attachment.

Place the files
  1. Extract the zip.
  2. Copy the extracted folder named "ssdtPRGen"
  3. Go to ~/Library/ and place the folder over here.
Generating the SSDT for CPU Power Management
1. Open Terminal
2. Type :
Code:
cd ~/Library/ssdtPRGen
3. According to the CPU you have, enter the information.

Note :
  • Make sure you provide the correct data.
  • To find information for your CPU, follow the guide here.
For example, i7-8700K:
Code:
./ssdtPRGen.sh -p 'i7-8700K' -f 3700 -turbo 4700
4. Confirm y or n and it will generate the SSDT.

5. Open Finder and in menubar and click on Go to Folder

6. Type ~/Library/ssdtPRGen/

7. Now mount your EFI partition of your system drive. For more information, follow the guide here.

8. Copy ssdt.aml from ssdtPRGen to /Volumes/EFI/EFI/Clover/ACPI/patched/

9. Restart your system

Testing Power Management
To test the power management, follow the guide here.

Credits :
Pike R. Alpha
RehabMan
 

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