Could be wrong, but as far as I know, Linux is blocked from install by Secure Boot on Z87's.
Here's some links involving Z87's and Linux;
http://forum-en.msi.com/index.php?topic=170643.0
http://www.bing.com/search?q=z87+and+linux&form=MSNH14&x=126&y=6
Here's some links involving Z87's and Linux;
http://forum-en.msi.com/index.php?topic=170643.0
http://www.bing.com/search?q=z87+and+linux&form=MSNH14&x=126&y=6