BackTrack 5 R1 does not boot on X97 chipset with 2 nVidia GTX590 display cards.
Intel X79 Express Chipset motherboard with i7-3630K (6 cores with HT) and 2 nVidia GTX590 display cards (1024 CUDA cores per card) are workable on BackTrack 5 R1.
Set the boot option to "nomodeset".
Last edited by samiux; 12-24-2011 at 02:26 AM. Reason: update the fact