To enable the Pegasus Thunderbolt connection on a Mac, follow these steps to install the Pegasus DEXT Driver before connecting your Pegasus device to the Thunderbolt port. This driver is compatible with macOS 12.4 or later.

Step-by-Step Installation

  1. Download the Driver:

    • Go to the Promise Download Center.
    • Click Drivers and select the Pegasus32 / 3 Series DEXT Driver for Apple-Silicon Macs.
    • The installation package file will download to your Downloads folder.

 

.            2.Install the DEXT Driver:

  • Locate the file (Pegasus DEXT Driver V21.1.0-2.dmg) in the Downloads folder and double-click it to extract.
  • Double-click the .pkg file to start the installer. Click Continue to proceed. 

 

          

  • Click Install to initiate a standard installation, then enter your Mac password when prompted.

  • When the System Extension Blocked message appears:
    • Open System Settings and navigate to General > Extensions > Driver Extensions.
    • Enable the Pegasus DEXT Driver Installer by entering your password again.

 

  • Enable the Pegasus DEXT Driver Installer by entering your password again.

  • Click Done to complete the installation.

 

Confirming the Driver Installation

Use either of these methods to confirm successful installation:

  • Method #1: Pegasus DEXT Driver Installer

    • Go to Applications and double-click Pegasus DEXT Driver Installer.
    • If installed, you’ll see an "Uninstall" option in the pop-up window.

Method #2: Terminal Commands

  1. Open Terminal and enter: sudo -s . Input your password when prompted.
  2. Then, enter: systemextensionsctl list | grep pegasus
  3. Look for "activated enabled" in the output to confirm activation.

 

Following these steps will ensure your Pegasus Thunderbolt connection functions properly on macOS Sequoia.