MacBook Air Turbo Boost Disable/Enable command line / script

readme.md

Turbo Boost Disabler/Enabler

• Macbook Air i5 2020 Catalina 10.15.5 works.
• but sleep after sometimes t/b enabled. - need to fix
• no reboot required

requirements

• clone repository

git clone https://github.com/rugarciap/Turbo-Boost-Switcher/

• enable csrutil without kext (boot to recovery mode. Method: Power On > Command + R)
• Go to Terminal

csrutil enable --without kext

• preparement for enable / disable script

mkdir -p ~/Documents/System

• copy DisableTurboBoost Kernel Extension file from cloned repository

cp -rf Turbo-Boost-Switcher-master/Turbo\ Boost\ Disabler/DisableTurboBoost.64bits.kext ~/Documents/System

• place DisableTurboBoost.64bits.kext to ~/Documents/System

~/Documents/System # ls -al                                                                                                     
total 32
drwxr-xr-x  6 test  staff   192  5 28 21:15 .
drwx------+ 5 test  staff   160  5 28 21:00 ..
-rw-r--r--@ 1 test  staff  6148  5 28 21:09 .DS_Store
drwxr-xr-x@ 3 root   wheel    96 11 30 01:49 DisableTurboBoost.64bits.kext
~/Documents/System #

• disable script preparement

touch disable_turbo_boost.sh
chmod 777 disable_turbo_boost.sh

• enable script preparement

touch enable_turbo_boost.sh
chmod 777 enable_turbo_boost.sh

• disable_turbo_boost.sh

#!/bin/bash
echo "1. Permission Set."
sudo chmod -R 755 DisableTurboBoost.64bits.kext
sudo chown -R root:wheel DisableTurboBoost.64bits.kext
echo "2. Copy DisableTurboBoost.64bitss.kext to /Library/Extensions"
sudo cp -rf DisableTurboBoost.64bits.kext /Library/Extensions/
echo "3. unload kext (if not exist it will displayed not found error)"
sudo kextunload /Library/Extensions/DisableTurboBoost.64bits.kext
echo "4. load kext"
sudo kextload /Library/Extensions/DisableTurboBoost.64bits.kext

• enable_turbo_boost.sh

#!/bin/bash
sudo kextunload /Library/Extensions/DisableTurboBoost.64bits.kext

• enable turbo boost

~/Documents/System # ./enable_turbo_boost                                                                                     
Password:
~/Documents/System #

• disable turbo boost

~/Documents/System # ./disable_turbo_boost                                                                                       ✔  311  21:15:45
1. Permission Set.
2. Copy DisableTurboBoost.64bitss.kext to /Library/Extensions
3. unload kext (if not exist it will displayed not found error)
(kernel) Kext com.rugarciap.DisableTurboBoost not found for unload request.
Failed to unload com.rugarciap.DisableTurboBoost - (libkern/kext) not found.
4. load kext
~/Documents/System #

• Then, you can disable turbo boost.