Quote Originally Posted by hurtz777
So it looks like the NF4 does indeed have a different southbridge built in chip then the NF4 Ultra and a bridge closing most likely will not override the hardware difference between the NF4 and NF4 Ultra and SLI.
Hurtz take a pic in high res of your nf4 chip for me. I have to remove this board from this case this weekend to test something i will pull off the nf4 cooler and see what the differences are in the bridges.