I think you should follow the Step F, then after everything is working you can install chameleon 2 without problem.

fow 9800GTX2 you can try this

UPDATE: nvm munky is using Chameleon 2 already I think

__________________
HP Pavilion Elite m9250f
iAtkos v5i (10.5.8), Asus IPIBL-LB MOD BIOS, Intel Quad Core Q6600, 4GB RAM (800mhz), 2x500GB, nVidia 8600GT (Works), ALC888S (Works), Wireless RT73 (Works), LAN (Works) - How to Install - Blog - Hardware Combos - FAQ by TJ2K7
Macbook Pro 13"
Follow meh: @icchansan

If you just want to support hackint0sh.org with a donation click here