What is causing the noise on my Pegasus 1 R6?

  • Last Post 07 March 2018
C. Lee posted this 07 March 2018

Hi, there's a lot of noise on the Pegasus 1 after I switched over to a new iMac running OS 10.13.3. It's connected with a Thunderbolt adapter from Pegasus 1 to Thunderbolt 3. It's also taking a long time to copy files. Any ideas?


C Lee

Pradeep Chidambaranath posted this 07 March 2018


Please go to https://support.promise.com to register the product and create a support ticket with the latest subsystem report and the MAC profiler for further investigation.

Go to the below link to download the latest version of the utility.


Follow the below step to save the subsystem report for further investigation.

- Open Promise Utility.
- Click subsystem information icon on the top of the window.
- Click the lock symbol in the left bottom corner of the screen to unlock the utility.
- Click on save service report button to save the subsystem report.

Could you please make a 30 seconds video without the drives and attach it to the support ticket for further investigation.

Pradeep C