I believe it is yes . Do you have your M'boarb manual? if so it should tell you in there how to do it. It might be that you need to move some jumpers from one set of pin positions to another.
if you dont have the manual see of you can get the make/model of you m'board form your system info and then do a google search for the manufactuer and you should then be able to find out the info you need from there. Good luck!