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Thunderbolt™ Pegasus Family Connecting the Legacy Pegasus1 and Pegasus2 to M1/M2/M3/M4 Mac Systems Using a Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter
Babatunde Akinkuolie posted this 08 January 2025 - Last edited 08 January 2025

To connect the legacy Pegasus1 or Pegasus2 chassis to an M1/M2/M3/M4 Mac system, you must use the original Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter.

Recommended Adapter:

Compatibility Notes:

  • Pegasus1 and Pegasus2 require this adapter for connection to modern Mac systems equipped with USB-C/Thunderbolt 3/4 ports.
  • Pegasus3 , Pegasus M4, and Pegasus32 do not require an adapter. These models natively support Thunderbolt 3/4 connections.

Important Setup Steps:

  1. Adapter Connection:

    • Plug the Thunderbolt 2 cable from the Pegasus1/Pegasus2 into the Apple Adapter.
    • Connect the USB-C end of the adapter into your Mac's Thunderbolt 3/4 port.

  2. Power On the Pegasus Unit.

  3. Check Connection:

    • Open Mac System Information → Thunderbolt section.
    • Confirm the Pegasus device is detected.

       4. Install the DEXT Driver (macOS Sequoia or Later) if you haven't done so

For any further issues or troubleshooting, contact Promise Technology Support or or visit the Promise Knowledge Base.

VESS A Family ReInstalling a New OS on Promise VessA Series
Hosam Helmy posted this 19 December 2024 - Last edited 23 December 2024

If you lose your old OS or accidentally remove critical system files, follow these steps to reinstall the operating system using the Promise VessA Image Writer Utility and the specified images for each VessA product:

Preparation Steps

  1. Download Required Tools and Files
    • Download the Promise VessA Image Writer Utility:
    • Download the Appropriate OS Image for Your Machine:
      • Locate the OS version on the OS Sticker on the chassis.
      • Visit the Download Center on the Promise website, select the VessA product, and download the respective installation image under the Image Tab

 

 Creating the Bootable USB Drive

  1. Start the Image Writer Utility

    • Insert a USB drive into your computer.
    • Open the Image Writer Utility.

  2. Set Up the USB Drive

    • Select the USB drive from the list of available drives.
    • Check the Perform Quick Format option.

  3. Load and Write the OS Image

    • Select the downloaded OS image.
    • Click Write! to start writing the OS image to the USB drive.
    • Wait for the process to finish.

 

Installing the New OS on the VessA Machine

  1. Boot from the USB Drive

    • Insert the prepared USB drive into the VessA machine.
    • Power on the machine. It will boot directly from the USB.

  2. Select Installation Options

    • When prompted, choose between the following options:
      • Option C:
        • Updates the BIOS.
        • Installs the OS to the DOM module (includes drivers and software tools).
        • Deletes the old RAID configuration and creates a new RAID disk.
        • Warning: Selecting this option will erase the existing RAID configuration.
      • Option I:
        1. Updates the BIOS.
        2. Installs the OS to the DOM module (includes drivers and software tools).

          Important Notes

          • Power Stability: Keep the power source stable during the BIOS update to avoid corruption.
          • VessA3340 or certain Models: These may require additional reboots during the BIOS update phase.
          • RAID Warning: Selecting C Option will erase existing RAID configurations.

           

  3. Choose RAID Configuration

    • Select the desired RAID type for your setup.
    • Wait for the installation to finish.

 

Finalizing the Installation

  1. System Reboot

    • During the process, the BIOS will be updated, and the system may reboot automatically.
    • Do Not Remove Power during this process.

  2. Shutdown and Remove USB

    • Once the installation is complete, press Space to shut down the machine.
    • Remove the USB drive before powering on the system again.

  3. Set Up the Operating System

  • Power on the machine. It will boot directly into Windows.
  • Configure the initial settings:
    • Select your language.
    • Create a password.
    • Add the activation key from the sticker on the chassis.

 Your VessA Machine is Now Ready for Use

Note: Always ensure a stable power source throughout the installation process to avoid interruptions.

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