Here the exactly specs: http://support.apple.com/kb/SP584 http://support.apple.com/kb/HT3246#nvidia320m
From h-node[0] one Macbook Pro 7.1 with NVIDIA 320M doesn't worked with Trisquel 4.5, but need one test with Trisquel 6.0.
[0]http://h-node.org/notebooks/view/en/236/Macbook-Pro-7-1/1/1/Apple/undef/undef/undef/undef/undef/undef/undef
