Hello good day, first of all, I feel for my poor English!
The problem I have is an error that I solved following these commands,
https://eclecticlight.co/2015/01/21/qa-broken-promise/
I have followed all the steps, but I'm still with the problem
https://s21.postimg.org/golzvn4sn/14689038_692821417541063_252642849_o_1.jpg
When you run the commands, send this error
(0x401) error: invalid command or request
have updated the firmware of the application Promise Utility but still still giving thesame problem, helps, hope that someone I can help with this problem since I havemuch information in my Promise Pegasus R4