MP 6,1 2013 Mac Pro not reading more than one hdmi?

[W R Wildwood]

I picked up a couple of cheap 32 inch TVs to use alongside my Cintiq for my newly purchased 2013 Mac Pro.

No matter what I do I can't seem to get more than one Thunderbolt to HDMI connection working together?

There is no issue with running one of the HDMI screens alongside my Cintiq and old 2010 27 iMac in 'screen mode' (Cintiq is DVI to mini display and imac is mini display to mini display) so the Trashcan does work with three monitors. Could it be something to do with it not liking more than one HDMI monitor?

Anyone have any ideas?
Thanks

 

[W R Wildwood]

Whoops, just found out that Mac Pros can only handle one HDMI monitor via mini display. To run two you have to use one via the HDMI port on the tower.

Off to get a HDMI to HDMI cable...