Unlocks Turbo Boost when it has been locked due to an unsupported power supply (Dell Optiplex BD PROCHOT issue)

install-unlock-turbo.sh

#!/bin/bash

# Check if the script is being run as root
if [[ $(id -u) -ne 0 ]]; then
    echo "This script must be run as root. Exiting."
    exit 1
fi

# Install necessary tools (msr-tools)
echo "Installing msr-tools..."
apt update && apt install -y msr-tools

# Check if msr-tools installed successfully
if ! command -v wrmsr &> /dev/null; then
    echo "Error: msr-tools installation failed."
    exit 1
fi

# Create systemd service file
echo "Creating systemd service..."

cat <<EOF > /etc/systemd/system/unlock-turbo-boost.service
[Unit]
Description=Unlock Turbo Boost on Dell Machine due to unsupported power supply
After=multi-user.target

[Service]
Type=oneshot
ExecStart=/usr/local/bin/unlock-turbo-boost.sh
RemainAfterExit=true
StandardOutput=journal
StandardError=journal

[Install]
WantedBy=multi-user.target
EOF

# Create the script to unlock turbo boost and load msr module
echo "Creating unlock-turbo-boost.sh script..."

cat <<'EOF' > /usr/local/bin/unlock-turbo-boost.sh
#!/bin/bash

# Load msr module
echo "Loading msr module..."
modprobe msr

# Unlock Turbo Boost by writing to MSR register
echo "Unlocking Turbo Boost..."
wrmsr -a 0x1A0 0x850089

# Disable no_turbo to allow turbo boost
echo "Disabling no_turbo to enable turbo boost..."
echo 0 | tee /sys/devices/system/cpu/intel_pstate/no_turbo

# Confirm changes
if [ $? -eq 0 ]; then
    echo "Turbo Boost unlocked successfully!"
else
    echo "Error: Failed to unlock Turbo Boost."
fi
EOF

# Make the script executable
chmod +x /usr/local/bin/unlock-turbo-boost.sh

# Enable systemd service to run on boot
echo "Enabling systemd service..."
systemctl daemon-reload
systemctl enable unlock-turbo-boost.service

echo "Setup complete. The system will now automatically unlock Turbo Boost on boot."