Originally Posted by Kryton
Omega, I've experienced this before with my cards.
Sometimes Windows will see the second card, sometimes not. The only real way I've found that seems to work for getting Windows to pick up the second card is to do a driver reinstall with both cards already in and linked. Even that doesn't seem to work occasionally but at least in my case it will sometimes - Or shall I say it used to since one of my 8600's is dead now.
Really need to find another one or at least a 7600GS to use with the one I have here.
Yeah I think I'm actually going to break down and solder it. While the no2 pencil in theory should work, it doesn't because it has resistance. So I'm assuming that its not getting the full voltage that it needs to enable SLI. I've done some digging and found a couple of people that said they tried the pencil mod and it didn't work.
Another thing I found was that once the mod is complete, it will register as NF4 sli and not ultra. So drivers won't matter.
But just in case, I'll reinstall them again.