2015-03-02 09:40 AM - edited 2015-03-02 09:41 AM
Since your post title was EF540, I am assuming you have SANtricity 11.10/810. However, below are the last few releases of the Management Software (MSW), and the Operating System (CFW):
MSW 11.20 & CFW 8.20 - Released Dec 2014
MSW 11.10 & CFW 8.10 - Released Dec 2013
I hope this helps!