To ensure optimal performance and security of your Pegasus M4, follow these steps to update the firmware seamlessly: 

1. Access PROMISE Support

2. Preparation

  • Ensure no background activities are running on the RAID subsystem to avoid interruptions during the update process.

3. Open Promise Utility Pro

  • Launch Promise Utility Pro.
  • On the main page displaying connected Thunderbolt devices, locate the Firmware Update option.

 

4. Choose a Download Method

Select one of the two available options based on your setup:

a. Local File via HTTP

  • Click Choose File and locate the firmware image file saved on your system.
  • Select the file and click Open to proceed.

b. TFTP Server

  • Enter the TFTP server's host name or IP address, port number, and the file name of the firmware image.

5. Upload the Firmware File

  • Click the Choose File button and navigate to the firmware file location on your system.
  • Select the .img file and upload it.

6. Update the Firmware

  • Check the checkbox on the update window to confirm the update.
  • Initiate the update by selecting the Update option.

7. Wait for the Update Process

  • Allow the system a few seconds to complete the firmware update.

8. Restart the System

  • Once the update is finished, restart the system to apply the changes.

9. Verify the Firmware Version

  • After restarting, re-open Promise Utility Pro to verify that the firmware has been successfully updated.
  • The updated firmware version will be displayed in the device information section.

Important Notes:

  • Ensure a stable power source during the update process to avoid interruptions.
  • For any issues encountered during the update, refer to the user manual or contact PROMISE Technical Support.