Weather you tick it or you left it untouched you still get the same results
A. Operating System, Win10-64bit
B. GTX770+GTX460
C. 16GB Ram
D. Nvidia driver version 365.10 (8.0)
F. OctaneBlender version 9.11
PS. I just remembered another bug : off-axis & parallel give the exact output (didn't check to see if this is solved after 9.8)