I had a feeling they would use a similar format

I hope people that actually have the cards will help refine this.

I'm not sure you have it labeled exactly right, the 3870 uses 3dmode in windowed apps (unlike 2900) and may have a designated setting. It may be the third set of 3dclocks at the top of what you have labeled for thermals.

I really have no idea since I'm not playing with one, but that is my suggestion.