exactly george switch off the other 2 devices leave only the ati device enabled that way it cant switch between the asus ans ati the only thing I have to try now is routing it through a HDMI splitter .This is for my Bluray player so I can watch movies through projector and pioneer display. Should be ok , I hope!

818.3
, DSP8000SE, MacPro (the little bin), Virgin box, Sony XR77A80K, Missing Link Reference HCX cables, Townshend speaker support...